ZyXEL Communications NR Series User manual

Default Login Details
User’s Guide
NR/FWA Indoor Series
Copyright © 2023 Zyxel and/or its affiliates. All Rights Reserved.
LAN IP Address http://192.168.1.1
Login admin
Password See the device label
Version 4.40 Ed 4, 05/2023

NR/FWA Indoor Series User’s Guide
2
IMPORTANT!
READ CAREFULLY BEFORE USE.
KEEP THIS GUIDE FOR FUTURE REFERENCE.
This is a User’s Guide for a series of products. Not all products support all firmware features. Screenshots
and graphics in this book may differ slightly from your product due to differences in product features or
web configurator brand style. Every effort has been made to ensure that the information in this manual
is accurate.
Related Documentation
•QuickStartGuide
The Quick Start Guide shows how to connect the Zyxel Device.
•MoreInformation
Go to https://service-provider.zyxel.com/global/en/tech-support to find other information on Zyxel
Device.

Document Conventions
NR/FWA Indoor Series User’s Guide
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Document Conventions
Warnings and Notes
These are how warnings and notes are shown in this guide.
Warnings tell you about things that could harm you or your Zyxel
Device.
Note: Notes tell you other important information (for example, other things you may need to
configure or helpful tips) or recommendations.
Syntax Conventions
• The NR (5G) or FWA device in this user’s guide will be referred to as the “Zyxel Device”.
• Product labels, screen names, field labels and field choices are all in bold font.
• A right angle bracket ( > ) within a screen name denotes a mouse click. For example, Network Setting
> Routing > DNS Route means you first click Network Setting in the navigation panel, then the Routing
submenu, and then finally the DNS Route tab to get to that screen.
Icons Used in Figures
Figures in this user guide may use the following generic icons. The Zyxel Device icon is not an exact
representation of your Zyxel Device.
Zyxel Device Generic Router Switch
Server Firewall USB Storage Device
Printer 4G LTE/5G NR Base Station

Contents Overview
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Contents Overview
User’s Guide ......................................................................................................................................16
Introduction ........................................................................................................................................... 17
Hardware ............................................................................................................................................... 27
Web Configurator ................................................................................................................................. 37
Quick Start ............................................................................................................................................. 45
Web Interface Tutorials ........................................................................................................................ 47
Technical Reference ........................................................................................................................84
Connection Status ................................................................................................................................ 85
Broadband ............................................................................................................................................ 99
Wireless ................................................................................................................................................. 119
Home Networking ............................................................................................................................... 149
Routing ................................................................................................................................................. 169
Quality of Service (QoS) .................................................................................................................... 179
Network Address Translation (NAT) ................................................................................................... 187
DNS ....................................................................................................................................................... 200
USB Service .......................................................................................................................................... 205
Firewall ................................................................................................................................................. 210
MAC Filter ............................................................................................................................................ 221
Parental Control ................................................................................................................................. 224
Certificates .......................................................................................................................................... 230
Voice .................................................................................................................................................... 239
Log ....................................................................................................................................................... 267
Traffic Status ....................................................................................................................................... 270
VoIP Status ........................................................................................................................................... 273
ARP Table ............................................................................................................................................ 276
Routing Table ...................................................................................................................................... 278
WLAN Station Status ........................................................................................................................... 281
Cellular WAN Status ........................................................................................................................... 283
System .................................................................................................................................................. 288
User Account ...................................................................................................................................... 289
Remote Management ....................................................................................................................... 292
TR-069 Client ........................................................................................................................................ 298
Time Settings ........................................................................................................................................ 301
Email Notification ................................................................................................................................ 304
Log Setting .......................................................................................................................................... 307
Firmware Upgrade .............................................................................................................................. 311
Backup/Restore .................................................................................................................................. 314

Contents Overview
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Diagnostic ........................................................................................................................................... 318
Troubleshooting and Appendices .................................................................................................320
Troubleshooting .................................................................................................................................. 321

Table of Contents
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Table of Contents
Document Conventions ......................................................................................................................3
Contents Overview .............................................................................................................................4
Table of Contents.................................................................................................................................6
Part I: User’s Guide..........................................................................................16
Chapter 1
Introduction ........................................................................................................................................17
1.1 Overview ......................................................................................................................................... 17
1.1.1 Model Feature Differences .................................................................................................. 17
1.2 Applications for the Zyxel Device ................................................................................................. 18
1.3 EasyMesh ......................................................................................................................................... 20
1.3.1 Network Controller ................................................................................................................ 20
1.3.2 Dual-Band WiFi ...................................................................................................................... 21
1.3.3 AP Steering ............................................................................................................................. 22
1.3.4 Band Steering ........................................................................................................................ 23
1.3.5 Daisy Chain ............................................................................................................................ 23
1.4 MU-MIMO Technology ................................................................................................................... 24
1.5 How to Manage your Zyxel Device .............................................................................................. 26
1.6 Good Habits for Managing the Zyxel Device ............................................................................. 26
Chapter 2
Hardware............................................................................................................................................27
2.1 Overview ......................................................................................................................................... 27
2.2 LEDs .................................................................................................................................................. 27
2.3 SIM Card Slot ................................................................................................................................... 29
2.4 Ports and Buttons ............................................................................................................................ 30
2.5 How to Enable WiFi/WPS ................................................................................................................ 33
2.5.1 NR5101 WiFi/WPS Button ....................................................................................................... 33
2.5.2 NR5103/NR5103E/FWA510 WiFi/WPS Button ....................................................................... 34
2.6 How to Reset the Zyxel Device ..................................................................................................... 35
Chapter 3
Web Configurator...............................................................................................................................37
3.1 Overview ......................................................................................................................................... 37
3.1.1 Access the Web Configurator ............................................................................................. 37

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3.2 Web Configurator Layout .............................................................................................................. 38
3.2.1 Settings Icon .......................................................................................................................... 38
3.2.2 Widget Icon ........................................................................................................................... 43
Chapter 4
Quick Start..........................................................................................................................................45
4.1 Quick Start Overview ..................................................................................................................... 45
4.2 Quick Start Setup ............................................................................................................................ 45
4.3 Quick Start Setup – Time Zone ....................................................................................................... 45
4.4 Quick Start Setup – WiFi ................................................................................................................. 46
4.5 Quick Start Setup – Finish ............................................................................................................... 46
Chapter 5
Web Interface Tutorials......................................................................................................................47
5.1 Web Interface Overview ............................................................................................................... 47
5.2 Wired Network Setup ..................................................................................................................... 47
5.2.1 Setting Up an Ethernet Connection .................................................................................... 47
5.3 WiFi Network Setup ......................................................................................................................... 50
5.3.1 Changing Security on a WiFi Network ................................................................................ 50
5.3.2 Connecting to the Zyxel Device’s WiFi Network Using WPS ............................................. 52
5.3.3 Setting Up a Guest Network ................................................................................................ 56
5.3.4 Setting Up Two Guest WiFi Networks on Different WiFi Bands .......................................... 60
5.4 Cellular Network Setup .................................................................................................................. 65
5.4.1 Setting up a Cellular Network Connection ........................................................................ 65
5.5 USB Applications ............................................................................................................................. 65
5.5.1 File Sharing ............................................................................................................................. 65
5.6 Network Security ............................................................................................................................. 70
5.6.1 Configuring a Firewall Rule .................................................................................................. 70
5.6.2 Parental Control .................................................................................................................... 72
5.6.3 Configuring a MAC Address Filter for Wired LAN Connections ....................................... 74
5.7 Internet Calls ................................................................................................................................... 76
5.7.1 Configuring VoIP ................................................................................................................... 76
5.7.2 Adding a SIP Service Provider ............................................................................................. 76
5.7.3 Adding a SIP Account .......................................................................................................... 77
5.7.4 Configuring a Phone ............................................................................................................ 78
5.7.5 Making a VoIP Call ............................................................................................................... 79
5.7.6 Making a VoLTE Phone Call ................................................................................................. 80
5.8 Device Maintenance ..................................................................................................................... 80
5.8.1 Upgrading the Firmware ...................................................................................................... 80
5.8.2 Backing up the Device Configuration ................................................................................ 81
5.8.3 Restoring the Device Configuration ................................................................................... 82

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Part II: Technical Reference...........................................................................84
Chapter 6
Connection Status..............................................................................................................................85
6.1 Connection Status Overview ........................................................................................................ 85
6.1.1 Connectivity .......................................................................................................................... 85
6.1.2 Icon and Device Name ....................................................................................................... 86
6.1.3 System Info ............................................................................................................................. 86
6.1.4 Cellular Info ............................................................................................................................ 88
6.1.5 WiFi Settings ........................................................................................................................... 93
6.2 Guest WiFi Settings .......................................................................................................................... 94
6.2.1 LAN ......................................................................................................................................... 96
Chapter 7
Broadband..........................................................................................................................................99
7.1 Broadband Overview .................................................................................................................... 99
7.1.1 What You Can Do in this Chapter ....................................................................................... 99
7.1.2 What You Need to Know ................................................................................................... 100
7.1.3 Before You Begin ................................................................................................................. 100
7.2 Broadband .................................................................................................................................... 100
7.2.1 Add or Edit Internet Connection ....................................................................................... 101
7.3 WAN Backup ................................................................................................................................. 105
7.4 Ethernet WAN ................................................................................................................................ 106
7.5 Cellular WAN ................................................................................................................................. 106
7.6 Cellular APN .................................................................................................................................. 107
7.6.1 Edit Cellular APN1/APN2 .................................................................................................... 108
7.6.2 Using Separate APNs for Data and Management Traffic .............................................. 110
7.7 Cellular SIM Configuration ........................................................................................................... 112
7.8 Cellular Band Configuration ........................................................................................................ 113
7.9 Cellular PLMN Configuration ....................................................................................................... 113
7.10 Cellular IP Passthrough ............................................................................................................... 116
7.11 Cellular SMS ................................................................................................................................. 117
7.11.1 Send New Message Screen ............................................................................................. 118
Chapter 8
Wireless.............................................................................................................................................119
8.1 Wireless Overview ......................................................................................................................... 119
8.1.1 What You Can Do in this Chapter ..................................................................................... 119
8.1.2 What You Need to Know ................................................................................................... 119
8.2 Wireless General Settings ............................................................................................................. 120
8.2.1 No Security ........................................................................................................................... 122
8.2.2 More Secure (Recommended) ......................................................................................... 123
8.3 Guest/More AP Screen ................................................................................................................ 125

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8.3.1 The Edit Guest/More AP Screen ....................................................................................... 125
8.4 MAC Authentication .................................................................................................................... 127
8.5 WPS ................................................................................................................................................. 128
8.6 WMM .............................................................................................................................................. 130
8.7 Others Screen ............................................................................................................................... 131
8.8 WLAN Scheduler ........................................................................................................................... 133
8.8.1 Add or Edit Rules .............................................................................................................................................134
8.9 Channel Status .............................................................................................................................. 135
8.10 EasyMesh ..................................................................................................................................... 137
8.11 Technical Reference .................................................................................................................. 137
8.11.1 WiFi Network Overview ..................................................................................................... 137
8.11.2 Additional WiFi Terms ........................................................................................................ 139
8.11.3 WiFi Security Overview ...................................................................................................... 139
8.11.4 Signal Problems ................................................................................................................. 141
8.11.5 BSS ....................................................................................................................................... 141
8.11.6 MBSSID ................................................................................................................................ 142
8.11.7 Preamble Type .................................................................................................................. 142
8.11.8 WiFi Protected Setup (WPS) ............................................................................................. 143
Chapter 9
Home Networking............................................................................................................................149
9.1 Home Networking Overview ....................................................................................................... 149
9.1.1 What You Can Do in this Chapter ..................................................................................... 149
9.1.2 What You Need To Know ................................................................................................... 149
9.2 LAN Setup ...................................................................................................................................... 151
9.3 Static DHCP ................................................................................................................................... 155
9.3.1 Before You Begin ................................................................................................................. 155
9.4 UPnP ............................................................................................................................................... 157
9.5 Technical Reference .................................................................................................................... 158
9.5.1 DHCP Setup ......................................................................................................................... 159
9.5.2 DNS Server Addresses ......................................................................................................... 159
9.5.3 LAN TCP/IP ........................................................................................................................... 160
9.6 Turn on UPnP in Windows 10 Example ........................................................................................ 161
9.6.1 Auto-discover Your UPnP-enabled Network Device ...................................................... 163
9.7 Web Configurator Easy Access in Windows 10 ......................................................................... 166
Chapter 10
Routing..............................................................................................................................................169
10.1 Routing Overview ....................................................................................................................... 169
10.2 Configure Static Route .............................................................................................................. 169
10.2.1 Add or Edit Static Route ................................................................................................... 170
10.3 DNS Route .................................................................................................................................... 174
10.3.1 Add or Edit DNS Route ...................................................................................................... 175

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10.4 Policy Route ................................................................................................................................ 175
10.4.1 Add or Edit Policy Route ................................................................................................... 176
10.5 RIP Overview ............................................................................................................................... 177
10.5.1 RIP ....................................................................................................................................... 178
Chapter 11
Quality of Service (QoS)..................................................................................................................179
11.1 QoS Overview ............................................................................................................................. 179
11.1.1 What You Can Do in this Chapter ................................................................................... 179
11.2 What You Need to Know ........................................................................................................... 179
11.3 Quality of Service General Settings .......................................................................................... 181
11.4 Technical Reference .................................................................................................................. 183
Chapter 12
Network Address Translation (NAT)................................................................................................187
12.1 NAT Overview ............................................................................................................................. 187
12.1.1 What You Can Do in this Chapter ................................................................................... 187
12.1.2 What You Need To Know ................................................................................................. 187
12.2 Port Forwarding ........................................................................................................................... 188
12.2.1 Port Forwarding ................................................................................................................. 189
12.2.2 Add or Edit Port Forwarding .............................................................................................189
12.3 Port Triggering ............................................................................................................................. 191
12.3.1 Add or Edit Port Triggering Rule ....................................................................................... 193
12.4 DMZ .............................................................................................................................................. 194
12.5 ALG ............................................................................................................................................... 195
12.6 Technical Reference .................................................................................................................. 196
12.6.1 NAT Definitions ................................................................................................................... 196
12.6.2 What NAT Does ................................................................................................................. 197
12.6.3 How NAT Works .................................................................................................................. 197
12.6.4 NAT Application ................................................................................................................ 198
Chapter 13
DNS....................................................................................................................................................200
13.1 DNS Overview ............................................................................................................................. 200
13.1.1 What You Can Do in this Chapter ................................................................................... 200
13.1.2 What You Need To Know ................................................................................................. 201
13.2 DNS Entry ..................................................................................................................................... 201
13.2.1 Add or Edit DNS Entry ........................................................................................................ 202
13.3 Dynamic DNS .............................................................................................................................. 202
Chapter 14
USB Service.......................................................................................................................................205
14.1 USB Service Overview ................................................................................................................ 205

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14.1.1 What You Need To Know ................................................................................................. 205
14.1.2 Before You Begin ............................................................................................................... 206
14.2 USB Service .................................................................................................................................. 206
14.2.1 Add New Share ................................................................................................................. 208
14.2.2 Add New User Screen ....................................................................................................... 209
Chapter 15
Firewall..............................................................................................................................................210
15.1 Firewall Overview ........................................................................................................................ 210
15.1.1 What You Need to Know About Firewall ........................................................................ 210
15.2 Firewall ......................................................................................................................................... 211
15.2.1 What You Can Do in this Chapter ................................................................................... 212
15.3 Firewall General Settings ............................................................................................................ 212
15.4 Protocol (Customized Services) ................................................................................................ 213
15.4.1 Add Customized Service ..................................................................................................214
15.5 Access Control (Rules) ............................................................................................................... 214
15.5.1 Add New ACL Rule ........................................................................................................... 215
15.6 DoS ............................................................................................................................................... 217
15.7 Firewall Technical Reference .................................................................................................... 218
15.7.1 Firewall Rules Overview .................................................................................................... 218
15.7.2 Guidelines For Security Enhancement With Your Firewall ............................................ 219
15.7.3 Security Considerations .................................................................................................... 219
Chapter 16
MAC Filter .........................................................................................................................................221
16.1 MAC Filter Overview ................................................................................................................... 221
16.2 MAC Filter .................................................................................................................................... 221
16.2.1 Add New Rule ................................................................................................................... 222
Chapter 17
Parental Control...............................................................................................................................224
17.1 Parental Control Overview ........................................................................................................ 224
17.2 Parental Control Schedule and URL Filter ................................................................................ 224
17.2.1 Add or Edit a Parental Control Profile ............................................................................. 225
Chapter 18
Certificates .......................................................................................................................................230
18.1 Certificates Overview ................................................................................................................ 230
18.1.1 What You Can Do in this Chapter ................................................................................... 230
18.2 What You Need to Know ........................................................................................................... 230
18.3 Local Certificates ....................................................................................................................... 230
18.3.1 Create Certificate Request ............................................................................................. 232
18.3.2 View Certificate Request ................................................................................................. 232

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18.4 Trusted CA ................................................................................................................................... 234
18.5 Import Trusted CA Certificate ................................................................................................... 235
18.6 View Trusted CA Certificate ...................................................................................................... 236
18.7 Certificates Technical Reference ............................................................................................. 236
18.7.1 Verify a Certificate ............................................................................................................ 237
Chapter 19
Voice.................................................................................................................................................239
19.1 Voice Overview .......................................................................................................................... 239
19.1.1 What You Can Do in this Chapter ................................................................................... 239
19.2 Voice Mode ................................................................................................................................ 240
19.2.1 What You Need to Know About VoIP ............................................................................. 240
19.3 Before You Begin ........................................................................................................................ 241
19.4 SIP Account ................................................................................................................................. 241
19.4.1 SIP Account Entry Edit ....................................................................................................... 242
19.5 SIP Service Provider .................................................................................................................... 244
19.5.1 Provider Entry Edit .............................................................................................................. 245
19.6 Phone ........................................................................................................................................... 249
19.6.1 Phone Device .................................................................................................................... 249
19.6.2 Phone Device Edit ............................................................................................................ 249
19.7 Phone Region ............................................................................................................................. 250
19.8 Call Rule ....................................................................................................................................... 251
19.9 Call History ................................................................................................................................... 252
19.9.1 Call History Screen ............................................................................................................ 252
19.10 Technical Reference ................................................................................................................ 253
19.10.1 Quality of Service (QoS) ................................................................................................. 261
19.10.2 Phone Services Overview ............................................................................................... 262
Chapter 20
Log ....................................................................................................................................................267
20.1 Log Overview .............................................................................................................................. 267
20.1.1 What You Can Do in this Chapter ................................................................................... 267
20.1.2 What You Need To Know ................................................................................................. 267
20.2 System Log .................................................................................................................................. 268
20.3 Security Log ................................................................................................................................. 269
Chapter 21
Traffic Status .....................................................................................................................................270
21.1 Traffic Status Overview ............................................................................................................... 270
21.1.1 What You Can Do in this Chapter ................................................................................... 270
21.2 WAN Status .................................................................................................................................. 270
21.3 LAN Status .................................................................................................................................... 271

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Chapter 22
VoIP Status........................................................................................................................................273
22.1 VoIP Status Screen ...................................................................................................................... 273
Chapter 23
ARP Table..........................................................................................................................................276
23.1 ARP Table Overview ................................................................................................................... 276
23.1.1 How ARP Works .................................................................................................................. 276
23.2 ARP Table .................................................................................................................................... 276
Chapter 24
Routing Table....................................................................................................................................278
24.1 Routing Table Overview ............................................................................................................ 278
24.2 Routing Table .............................................................................................................................. 278
Chapter 25
WLAN Station Status .........................................................................................................................281
25.1 WLAN Station Status Overview .................................................................................................. 281
Chapter 26
Cellular WAN Status ........................................................................................................................283
26.1 Cellular WAN Status Overview .................................................................................................. 283
26.2 Cellular WAN Status .................................................................................................................... 283
Chapter 27
System...............................................................................................................................................288
27.1 System Overview ........................................................................................................................ 288
27.2 System .......................................................................................................................................... 288
Chapter 28
User Account....................................................................................................................................289
28.1 User Account Overview ............................................................................................................. 289
28.2 User Account .............................................................................................................................. 289
28.2.1 User Account Add or Edit ................................................................................................. 290
Chapter 29
Remote Management.....................................................................................................................292
29.1 Remote Management Overview ............................................................................................. 292
29.1.1 What You Can Do in this Chapter ................................................................................... 292
29.2 MGMT Services ............................................................................................................................ 292
29.3 Trust Domain ................................................................................................................................ 294
29.3.1 Add Trust Domain .............................................................................................................. 294
29.4 MGMT Services for IP Passthrough ............................................................................................ 295

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29.5 Trust Domain for IP Passthrough ................................................................................................ 296
29.5.1 Add Trust Domain .............................................................................................................. 297
Chapter 30
TR-069 Client.....................................................................................................................................298
30.1 TR-069 Overview ......................................................................................................................... 298
30.2 TR-069 Client ................................................................................................................................ 298
Chapter 31
Time Settings.....................................................................................................................................301
31.1 Time Settings Overview .............................................................................................................. 301
31.2 Time .............................................................................................................................................. 301
Chapter 32
Email Notification.............................................................................................................................304
32.1 Email Notification Overview ...................................................................................................... 304
32.2 Email Notification ........................................................................................................................ 304
32.2.1 E-mail Notification Edit ...................................................................................................... 305
Chapter 33
Log Setting .......................................................................................................................................307
33.1 Log Setting Overview ................................................................................................................. 307
33.2 Log Setting ................................................................................................................................... 307
33.2.1 Example Email Log ............................................................................................................ 309
Chapter 34
Firmware Upgrade...........................................................................................................................311
34.1 Firmware Upgrade Overview .................................................................................................... 311
34.2 Firmware Upgrade ...................................................................................................................... 311
Chapter 35
Backup/Restore ...............................................................................................................................314
35.1 Backup/Restore Overview ........................................................................................................ 314
35.2 Backup/Restore .......................................................................................................................... 314
35.3 Reboot ......................................................................................................................................... 317
Chapter 36
Diagnostic.........................................................................................................................................318
36.1 Diagnostic Overview .................................................................................................................. 318
36.1.1 What You Can Do in this Chapter ................................................................................... 318
36.2 Diagnostic ................................................................................................................................... 318

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Part III: Troubleshooting and Appendices..................................................320
Chapter 37
Troubleshooting................................................................................................................................321
37.1 Troubleshooting Overview ......................................................................................................... 321
37.2 Power and Hardware Problems ................................................................................................ 321
37.3 Device Access Problems ........................................................................................................... 322
37.4 Cellular Problems ........................................................................................................................ 325
37.5 Internet Problems ........................................................................................................................ 326
37.6 WiFi Problems .............................................................................................................................. 328
37.7 USB Problems ............................................................................................................................... 329
37.8 UPnP Problems ............................................................................................................................ 329
37.9 Getting More Troubleshooting Help .........................................................................................329
Appendix A Customer Support ..................................................................................................... 330
Appendix B IPv6............................................................................................................................... 335
Appendix C Legal Information ...................................................................................................... 341
Index.................................................................................................................................................347

16
PART I
User’s Guide

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17
CHAPTER 1
Introduction
1.1 Overview
The Zyxel Device consists of the following models:
• NR5101
• NR5103
• NR5103E
• FWA510
1.1.1 Model Feature Differences
The Zyxel Device is a router that supports (but not limited to) the following features. Note the following
differences between the Zyxel Device models:
Table 1 Model Feature Comparison
FEATURE/MODEL NR5101 NR5103 NR5103E FWA510
IEEE 802.11 b/g/n/a/ac/ax WiFi YES YES YES YES
Maximum5G NR Speed 2.3 Gbps 4.7 Gbps 4.7 Gbps 4.7 Gbps
Maximum4G LTE Speed 2 Gbps 1.6 Gbps 1.6 Gbps 1.6 Gbps
Gigabit Ethernet WAN/LAN Port YES YES YES YES
USB Port (For File Sharing) YES YES YES YES
DHCP (Dynamic Host
Configuration Protocol) Server
YES YES YES YES
NAT (Network Address
Translation)
YES YES YES YES
DMZ (DeMilitarized Zone) YES YES YES YES
Cellular PLMN (Public Land
Mobile Network) Configuration
YES YES YES YES
Cellular SMS YES YES YES YES
ALG (Application Layer
Gateway)
YES NO NO NO
Security Mode WPA2-PSK WPA3-SAE/
WPA2-PSK WPA3-SAE/ WPA2-PSK WPA3-SAE/ WPA2-PSK
Policy Route YES NO NO NO
Static / Dynamic Route Setting
Using RIP
YES YES YES YES
Port Forwarding / Port Triggering YES/YES YES/NO YES/NO YES/NO
ARP (Address Resolution
Protocol)
YES YES YES YES

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1.2 Applications for the Zyxel Device
Wireless WAN
The Zyxel Device can connect to the Internet through a cellular SIM card to access a wireless WAN
connection. Just insert a SIM card into the SIM card slot at the bottom of the Zyxel Device.
Note: You must insert the SIM card into the card slot before turning on the Zyxel Device.
Note: You can install external antennas to improve your wireless WAN signal strength.
Internet Access
Your Zyxel Device provides shared Internet access by connecting to a cellular network. Connect a
computer to the Zyxel Device’s LAN port or wirelessly for Internet access.
Figure 1 Zyxel Device’s Internet Access Application
Wireless LAN (WiFi)
Wireless clients can connect to the Zyxel Device WiFi network to access network resources. The Zyxel
Device supports WiFi Protected Setup (WPS), which allows you to quickly set up a WiFi connection
between the Zyxel Device and a WiFi client with strong security.
Dynamic DNS YES NO NO NO
Parental Control YES NO YES NO
Denial of Service (DoS)
Protection
YES YES YES YES
Voice Functions YES NO NO NO
VoLTE YES NO NO NO
VoIP YES NO NO NO
Email Notification YES NO NO NO
Save Configuration/Upload the
Stored Configuration File
YES YES YES YES
EasyMesh Supported Extender NO WSM20 NO WSM20
MU-MIMO Technology NO YES NO YES
Table 1 Model Feature Comparison
FEATURE/MODEL NR5101 NR5103 NR5103E FWA510

Chapter 1 Introduction
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Figure 2 Zyxel Device’s Wireless LAN
Carrier Aggregation
Carrier Aggregation (CA) is a technology to deliver high downlink data rates by combining more than
one carrier in the same or different bands together. You can use data rates from Primary Component
Carrier (PCC) and Secondary Component Carrier (SCC) of other neighboring base stations. The
Secondary Component Carriers can be added or removed as needed to increase/decrease
bandwidth.
Figure 3 Carrier Aggregation Application
Ethernet WAN
If you have another broadband modem or router available, you can use the Ethernet WAN port and
then connect it to the broadband modem or router. This way, you can access the Internet through an
Ethernet WAN connection.

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20
Figure 4 Zyxel Device’s Internet Access Application: Ethernet WAN
1.3 EasyMesh
An EasyMesh network is composed of three key components.
(A) A router works as a controller to manage and optimize the EasyMesh network.
(B) One or more devices in the EasyMesh network function as APs or WiFi Extenders to extend the WiFi
communication range.
(C) Multiple client devices connect to the EasyMesh network for Internet connections.
1.3.1 Network Controller
The Zyxel Device functions as a controller to coordinate and optimize WiFi activity In the EasyMesh
network. The controller collects Channel Availability Check responses and scan reports from the APs or
WiFi Extenders. Then, the controller selects the best channel and the final optimized topology based on
the current situation.
The EasyMesh network uses AP steering and Band steering mechanisms to improve WiFi performance.
AP steering allows WiFi clients to roam seamlessly in an EasyMesh network. Band steering allows 2.4 GHz /
5 GHz dual-band WiFi clients to move from one band to another less busy band. For AP steering to work,
the controller and the devices in the EasyMesh network must use the same SSID and password. For band
steering to work, the SSIDs and passwords of 2.4GHz and 5GHz must be identical. See Section 1.3.3 on
page 22 and Section 1.3.4 on page 23 for more information. The controller synchronizes the SSIDs and
passwords during auto-configuration.
• The Zyxel Device connects to an AP using an Ethernet cable to expand the WiFi coverage.
• The Zyxel Device connects to a WiFi extender using WiFi. You can place the WiFi extender between
the Zyxel Device and the WiFi clients who require WiFi but are not in the coverage of the Zyxel Device.