Huawei B311-521 Technical specifications

HUAWEI B311-521 LTE CPE
V100R001
Product Description
Issue 01
Date 2019-9-26
HUAWEI TECHNOLOGIES CO., LTD.

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Copyright © Huawei Technologies Co., Ltd. 2019. All rights reserved.
No part of this document may be reproduced or transmitted in any form or by any means without prior
written consent of Huawei Technologies Co., Ltd.
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and other Huawei trademarks are trademarks of Huawei Technologies Co., Ltd.
All other trademarks and trade names mentioned in this document are the property of their respective
holders.
Notice
The purchased products, services and features are stipulated by the contract made between Huawei and
the customer. All or part of the products, services and features described in this document may not be
within the purchase scope or the usage scope. Unless otherwise specified in the contract, all statements,
information, and recommendations in this document are provided "AS IS" without warranties, guarantees or
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The information in this document is subject to change without notice. Every effort has been made in the
preparation of this document to ensure accuracy of the contents, but all statements, information, and
recommendations in this document do not constitute a warranty of any kind, express or implied.
Huawei Technologies Co., Ltd.
Address: Huawei Industrial Base
Bantian, Longgang
Shenzhen 518129
People's Republic of China
Website: http://consumer.huawei.com/en/
Email: [email protected]

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About This Document
Summary
This document provides information regarding the features, main functions and services,
technical specifications, and technical references of the product.
This document includes:
Chapter Details
1 Product Overview Provides an overview of the product.
2 Technical Specifications Describes the specifications of the product hardware,
software, and user interface.
3 Services and Applications Describes the main functions and applications of the
product.
4 System Structure and Scenario
Constraints
Describes the product system structure.
5 Technical References Describes the standards and communication protocols
of the product.
6 Packing List Describes the devices and accessories that comprise the
product package
The document is an invitation to offer but not an offer. It is intended to describe the general features and
functions of a product. The features and functions of certain products may vary with the requirements of
customers.
History
Issue Date Details
01 2019-09-26 Initial official release.

HUAWEI B311-521 LTE CPE
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Acronyms and Abbreviations
Acronym or Abbreviation Full Spelling
3GPP 3rd Generation Partnership Project
ACS Auto Configuration Server
AES Advanced Encryption Standard
ALG Application Layer Gateway
AMR-NB Adaptive Multi-Rate compression - Narrowband
AMR-WB Adaptive Multi-Rate compression - Wideband
AP Access Point
APN Access Point Name
ARP Address Resolution Protocol
CLAT Customer-side Translator
CPE Customer Premises Equipment
CS Circuit Switched
CSFB Circuit Switched Fallback
DBDC Dual Band Dual Concurrent
DC-HSPA+ Dual-Carrier - High Speed Packet Access Evolution
DHCP Dynamic Host Configuration Protocol
DL Downlink
DMZ Demilitarized Zone
DNS Domain Name Server
DTMF Dual-Tone Multi-Frequency
EDGE Enhanced Data rates for Global Evolution
E-UTRA Evolved Universal Terrestrial Radio Access Network
FDD Frequency Division Duplex
HOTA Huawei Firmware Over the Air
HSPA High Speed Packet Access
HSPA+ High Speed Packet Access Evolution
GPRS General Packet Radio Service
IEEE Institute of Electrical and Electronics Engineers
IP Internet Protocol

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Acronym or Abbreviation Full Spelling
IPSec Internet Protocol Security
IPv4 Internet Protocol version 4
IPv6 Internet Protocol version 6
ICMP Internet Control Message Protocol
L2TP Layer Two Tunneling Protocol
LAN Local Area Network
LED Light Emitting Diode
LTE Long Term Evolution
MAC Media Access Control
MDI Medium Dependent Interface
MDIX Medium Dependent Interface Crossover
MIMO Multi-input Multi-output
MME Mobility Management Entity
NAT Network Address Translation
NAPT Network Address and Port Translation
PC Personal Computer
PCC Primary Component Carrier
PGW PDN Gateway
PIN Personal Identification Number
PLAT Provider-side Translator
PPTP Point-to-Point Tunneling Protocol
QAM Quadrature Amplitude Modulation
QR Quick Response
RFC Request For Comments
RTCP Real-time Transport Control Protocol
RTP Real-time Transport Protocol
SAMBA System for Advanced Mobile Broadband Applications
SCC Secondary Component Carrier
SCP Service Control Point
SDRAM Synchronous Dynamic Random Access Memory
SDP Session Description Protocol

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Acronym or Abbreviation Full Spelling
SGW Serving Gateway
SIP Session Initiation Protocol
SMA SubMiniature version A
SMS Short Message
SOHO Small Office Home Office
SSID Service Set Identifier
TDD Time Division Duplex
TKIP Temporal Key Integrity Protocol
UE User Equipment
UL Uplink
UMTS Universal Mobile Telecommunications System
UPnP Universal Plug and Play
USB Universal Serial Bus
USIM UMTS Subscriber Identity Module
VoIP Voice over IP
VoLTE Voice over LTE
VPN Virtual Private Network
WAN Wide Area Network
WEP Wireless Encryption Protocol
Wi-Fi Wireless Fidelity
WMM Wi-Fi Multimedia
WPA/WPA2-PSK Wi-Fi Protected Access/Wi-Fi Protected Access II -
Pre-Shared Key
WPA2-PSK Wi-Fi Protected Access II - Pre-Shared Key
WPS Wi-Fi Protected Setup

HUAWEI B311-521 LTE CPE
Product Description Contents
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Contents
About This Document.................................................................................................................... ii
1 Product Overview .........................................................................................................................1
2 Technical Specifications ..............................................................................................................3
2.1 Hardware Specifications............................................................................................................................................... 3
2.2 Antenna Specifications ................................................................................................................................................. 5
2.2.1 Build-in LTE Antenna................................................................................................................................................ 5
2.2.2 Build-in Wi-Fi Antenna ............................................................................................................................................. 7
2.3 Software Specifications ................................................................................................................................................ 7
3 Services and Applications .........................................................................................................11
3.1 Data Services .............................................................................................................................................................. 11
3.1.1 Accessing the Internet through a Mobile Network (LTE/UMTS)............................................................................ 11
3.1.2 Accessing the Internet through an Ethernet Network .............................................................................................. 12
3.2 Voice Services............................................................................................................................................................. 12
3.3 SMS ............................................................................................................................................................................ 13
3.4 Security Service.......................................................................................................................................................... 13
3.4.1 Firewall Service....................................................................................................................................................... 13
3.4.2 MAC Filtering ......................................................................................................................................................... 13
3.4.3 Wi-Fi Authentication ............................................................................................................................................... 13
3.5 VPN Function ............................................................................................................................................................. 13
3.5.1 VPN Client............................................................................................................................................................... 13
3.5.2 VPN Pass-Through .................................................................................................................................................. 14
3.6 IP Pass-Through.......................................................................................................................................................... 14
3.7 IPv6 Only and IPv4v6 Dual Stack .............................................................................................................................. 14
3.7.1 IPv4v6 Dual Stack ................................................................................................................................................... 14
3.7.2 IPv6 Only (CLAT) ................................................................................................................................................... 14
3.8 Multi-APN .................................................................................................................................................................. 15
3.9 HiLink......................................................................................................................................................................... 15
3.10 Customer management ............................................................................................................................................. 16
3.10.1 WebUI.................................................................................................................................................................... 16
3.10.2 HUAWEI AI Life App ............................................................................................................错误!未定义书签。
3.11 Operator maintenance ............................................................................................................................................... 16
3.12 HOTA ....................................................................................................................................................................... 16

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4 System Structure and Scenario Constraints...........................................................................17
4.1 System Architecture.................................................................................................................................................... 17
4.2 Scenario Constraints ................................................................................................................................................... 18
5 Technical References..................................................................................................................19
5.1 Standards and Communication Protocols ................................................................................................................... 19
5.1.1 Standards and Communication Protocols of the Product......................................................................................... 19
5.1.2 Standards and Communication Protocols of the Wireless Uu Interface................................................................... 19
6 Packing List ..................................................................................................................................20

HUAWEI B311-521 LTE CPE
Product Description 1 Product Overview
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1 Product Overview
The HUAWEI LTE CPE B311-521 is a Long Term Evolution (LTE) wireless gateway for
multiple users in household or small office environments. It enables users to access the
Internet.
The B311-521 supports 3GPP Release 9 with UE downlink/uplink category 4. The supported
service functions are as follows:
Data service up to DL 150Mbps (64QAM) and UL 50Mbps (16QAM)
Working band: LTE: B2/B4/B5/B7/B28/B66, UMTS: B2/B4/B5
Voice service: CS/ VoIP (Optional) / VoLTE (Optional)
Wi-Fi: 2.4 GHz 802.11b/g/n 2x2 MIMO up to 300Mbps. Maximum Users: 32
1 GE port for LAN/WAN
Multi APN function (Optional) for Data, Voice (VoIP), TR-069 services
Routing mode: NAT enable (Default) / IP pass-through (Optional)
VPN client service (L2TP, PPTP)
Customer management via WebUI or HUAWEI AI Life App (iOS or Android)
Operator maintenance via TR-069 (Optional) and TR-143 (Optional)
Huawei Firmware Over the Air (HOTA)

HUAWEI B311-521 LTE CPE
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Figure 1-1 B311-521 appearance

HUAWEI B311-521 LTE CPE
Product Description 2 Technical Specifications
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2 Technical Specifications
2.1 Hardware Specifications
Table 2-1 Technical specifications of the B311-521 main unit
Item Description
Technical
standard
WAN 3GPP Release 9
LAN IEEE 802.3/802.3u
WLAN IEEE 802.11b/g/n
Working
band/frequency
LTE B2/B4/B5/B7/B28/B66
UMTS B2/B4/B5
WLAN 2.402 GHz～2.472 GHz
External port One power adapter port
One LAN/WAN port (RJ45), IEEE 802.3/802.3u
One phone port (RJ11)
One external LTE antenna ports (SMA)
One SIM card slot (Mini-SIM)
Antennas Built-in LTE/UMTS primary antenna
Built-in LTE/UMTS secondary antenna
Built-in WLAN 2.4 GHz antenna

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Item Description
LED Indicators One power indicator (White)
One Internet status indicator
Cyan: LTE network accessed
Blue: UMTS network accessed
Green: Ethernet network accessed
Red: No SIM card is inserted or detected, or the SIM card has
insufficient balance
One Wi-Fi/WPS/Hi indicator (White)
Flash slowly: A pairable HiLink device is detected.
Flash quickly: HiLink pairing is in progress.
Off: Wi-Fi is disabled.
The indicator starts to flash slowly only when B311-521 detects a
new HiLink device.
HiLink devices include Honor routers, Honor set-up boxes,
Honor handsets (EMUI 5.0 and later), and more.
One LAN indicator (White)
One group of signal strength indicators (White)
Buttons One Power ON/OFF switch
One WPS/Hi button
The Wi-Fi indicator flashes slowly when the router detects a HiLink
device. Press the WPS button to connect the HiLink device to the
router's Wi-Fi.
When the Wi-Fi indicator is steady on, press the WPS button to
enable WPS.
One Reset button
Maximum
transmit power
LTE B2/B4/B5/B7/B28/B66: 22.5dBm+3.2/-2.2dB
UMTS B2/B4/B5: 23dBm±2.7dB
WLAN 802.11b: 17 dBm(ch1-4,8-11)
802.11b: 19 dBm(ch5-7)
802.11g: 16 dBm
802.11n: 14.5dBm
Receiving
sensitivity
LTE Band 1.4MHz
(dBm)
3MHz
(dBm)
5MHz
(dBm)
10MHz
(dBm)
15MHz
(dBm)
20MHz
(dBm)
B2 -102 -99 -97.3 -94.3 -92.5 -91.3
B4 -104 -101 -99.3 -96.3 -94.5 -93.3
B5 -102 -99 -97.3 -94.3
B7 -97.3 -94.3 -92.5 -91.3

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Item Description
B28 -99.5 -97.8 -94.8 -93 -91.8
B66 -103.5 -100.5 -98.8 -95.8 -94 -92.8
UMTS B2: -104.7 dBm
B4: -106.7 dBm
B5: -104.7 dBm
WLAN 802.11b: -79 dBm（11 Mbps）
802.11g: -65 dBm（54 Mbps）
802.11n: -64 dBm（65 Mbps）
Power
consumption
< 12 W
AC/DC
power supply
AC (input): 100V-240V 50Hz/60Hz
DC (output): 12V/1A
Dimensions
(Maximum)
181 mm (Width) x 126 mm (High) x 36 mm (Deep)
Weight About 218 g (excluding the power adapter)
Temperature Working temperature: 0°C to 40°C
Storage temperature: -20°C to +70°C
Humidity 5% – 95% (non-condensing)
Certification/Co
mpliance
FCC certification
Wi-Fi certification
2.2 Antenna Specifications
2.2.1 Build-in LTE Antenna
Table 2-2 LTE antenna specifications
Item Description
Frequency FDD LTE
B2: UL 1850–1910 MHz DL 1930–1990 MHz
B4: UL 1710–1755 MHz DL 2110–2155 MHz
B5: UL 824–849 MHz DL 869–894 MHz
B7: UL 2500–2570 MHz DL 2620–2690 MHz
B28: UL 703–748 MHz DL 758–803 MHz
B66: UL 1710–1780 MHz DL 2110–2200 MHz
UMTS

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Item Description
B2: UL 1850–1910 MHz DL 1930–1990 MHz
B4: UL 1710–1755 MHz DL 2110–2155 MHz
B5: UL 824–849 MHz DL 869–894 MHz
Input impedance 50 Ω
Standing wave ratio < 3
Main antenna
efficiency
LTE
B2: Tx -2.5 dB Rx -3dB
B4: Tx -2.5 dB Rx -3dB
B5: Tx -3.5 dB Rx -3.5dB
B7: Tx -2.5 dB Rx -3dB
B28: Tx -4 dB Rx -4dB
B66: Tx -2.5 dB Rx -3dB
UMTS
B2: Tx -2.5 dB Rx -3dB
B4: Tx -2.5 dB Rx -3dB
B5: Tx -3.5 dB Rx -3.5dB
Diversity antenna
efficiency
LTE
B2: -3.5 dB
B4: -3.5 dB
B5: -4 dB
B7: -3.5 dB
B28: -5 dB
B66: -3.5 dB
UMTS
B2: -3.5 dB
B4: -3.5 dB
B5: -4 dB
Main antenna gain LTE
B2/B4/B5/B7/B28/B66: 0~2 dBi
UMTS
B2/B4/B5: 0~2 dBi
Diversity antenna gain LTE
B2/B4/B5/B7/B28/B66: 0~2 dBi
TX/RX 1T2R
Polarization Linear polarization

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2.2.2 Build-in Wi-Fi Antenna
Table 2-3 WLAN 2.4 GHz antenna specifications
Item Description
Frequency 2.402 GHz – 2.472 GHz (Channel 1 – Channel 11)
Input impedance 50 Ω
Standing wave ratio < 2.5
Efficiency -2.2 dB
Gain 3.5 dBi
Polarization Linear polarization
2.3 Software Specifications
Table 2-4 Software specifications
Item Description
LTE features DL 2x2 MIMO
DL 64QAM, UL 16QAM
Mobile
network
APN management
APN auto adapter
Gateway Router Supports the default route: 0.0.0.0
Supports manual configuration of LAN IP addresses.
Supports Address Resolution Protocol (ARP).
DHCP server The DHCP server can be enabled or disabled.
The address pool of the DHCP server can be
configured.
The lease can be configured.
The DNS relay under the DHCP server can be
enabled.
NAT Supports NAT and NAPT (compliant with
RFC2663, RFC3022, and RFC3027).
Supports cone NAT.
ARP
ICMP

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Item Description
IPv4v6 dual stack
IPv6 only (Optional , CLAT for LAN side IPv4 device access Internet)
IPv4 only (Optional)
When the CLAT function is enabled, the IPv4 device Internet access
service cannot reach the maximum throughput. Under IPv6 only,
NAT-base service (such as port forwarding and port triggering) is not
available.
VPN pass-through
VPN client Support L2TP VPN client
Support PPTP VPN client
SMS Writing/sending/receiving
Writing/sending/receiving extra-long messages
Data service LTE FDD: DL 150Mbps, UL 50Mbps
DC-HSPA+: DL 42 Mbps, UL 5.76 Mbps
HSPA+: DL 21 Mbps (64QAM), UL 5.76 Mbps
HSPA: DL 14.4 Mbps, UL 5.76 Mbps
WCDMA PS: DL 384 Kbps, UL 384 Kbps
WLAN 802.11b/g/n
Supports multi APNs (Optional, one for data, one for voice, and one for
TR-069).
Voice VoIP
(Optional)
Supports G.711a/G.711u/G.726 (-24/-32)/G.722/G.729
codec.
Supports SIP (RFC3261).
Supports SDP (RFC2327).
Supports RTP/RTCP (RFC1889/RFC1890/RFC3550).
Supports in-band/SIP info/RFC2833 DTMF.
Supports the following phone features:
Caller ID generation
Call waiting
Call forwarding (unconditional, busy, and no answer
forwarding)
Call hold
Three-way conference
CS Supports CS voice communication over UMTS
networks.
Supports circuit switched fallback (CSFB).

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Item Description
Supports the following phone features:
Caller ID generation
Call waiting
Call forwarding (unconditional, busy, and no answer
forwarding)
Call hold
Three-way conference
Originating Identification Presentation/Restriction
Outgoing Communication Barring
VoLTE
(Optional)
Supports AMR-NB codec
Supports AMR-WB codec
Supports SRVCC to UMTS
Supports in-band/out-band (RFC2833) DTMF
Supports the following phone features:
Caller ID generation
Call waiting
Call forwarding (unconditional, busy, and no answer
forwarding)
Call hold
Three-way conference
Originating Identification Presentation/Restriction
Outgoing Communication Barring
Firewall setup Firewall enable/disable
URL filtering
LAN IP filtering
Port forwarding (Virtual server)
Port triggering (Special Application)
DMZ service
UPnP service
ALG settings
LAN 10/100/1000 Mbps auto-negotiation
MDI/MDIX auto-sensing
IEEE 802.3/802.3u-compatible
WLAN Broadcasts and hides service set identifiers (SSIDs)
Complies with IEEE 802.11b/g/n
WPS
WMM

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Item Description
Encryption WEP, AES, and TKIP + AES
Security mode Open
WPA2-PSK
WPA/WPA2-PSK
WEP
MAC address
authentication
Supports the MAC address authentication whitelist.
Supports the MAC address authentication blacklist.
Supports a maximum of 32 MAC address entries.
STA Supports inquiry of STA status.
Supports a maximum of 32 connected stations.
Operator
maintenance
(Optional)
Supports TR-069 Amendment III
Supports TR-098 Amendment II
Supports TR-143 Amendment I
Supports TR-104 Amendment I (if VoIP is available)
USIM PIN management and USIM card authentication
NTP Supports daylight saving time (DST) (Optional).
HUAWEI AI
Life App
View data traffic usage and SMS.
Manage connected devices.
Change CPE's SSID and password.
System
requirements
Operating
system
Windows 7, Windows 8, Windows 8.1, Windows 10
(Not support Windows RT), MAC OS X 10.9, 10.10,
10.11 and 10.12 with latest updates.
Web browser Microsoft Internet Explorer 8.0 with latest updates.
FireFox 49.0 with latest updates.
All major versions of Chrome in the last year (53.0
with latest updates).
Safari 10.0 with latest updates (MACOS).
Your computer's hardware system should meet or exceed the
recommended system requirements for the installed OS version.

HUAWEI B311-521 LTE CPE
Product Description 3 Services and Applications
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3 Services and Applications
3.1 Data Services
The B311-521 can access the Internet through mobile networks and Ethernet networks. By
connecting to the B311-521 using Wi-Fi or a network cable, users can obtain access to
high-speed Internet services and establish a local area network (LAN).
3.1.1 Accessing the Internet through a Mobile Network
(LTE/UMTS)
The B311-521 can access the Internet through mobile networks.
Figure 3-1 Accessing the Internet through a mobile network

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3.1.2 Accessing the Internet through an Ethernet Network
The B311-521's LAN/WAN port can be connected to a wall-mounted Ethernet port using a
network cable.
Figure 3-2 Accessing the Internet through an Ethernet network
3.2 Voice Services
The B311-521 provides one telephone port that can be connected to telephones for calling.
Figure 3-3 Connecting telephones to the B311-521