Huawei B311-221 Technical specifications

HUAWEI B311-221 LTE CPE
V100R001
Product Description
Issue
02
Date
2019-08-15
HUAWEI TECHNOLOGIES CO., LTD.

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Huawei Technologies Co., Ltd.
Address:
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Email:
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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
2019-05-24
Initial official release.
02
2019-08-15
Updated the appearance.

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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
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
GSM
Global System for Mobile Communications
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
SCP
Service Control Point
SDRAM
Synchronous Dynamic Random Access Memory
SDP
Session Description Protocol
SGW
Serving Gateway
SIP
Session Initiation Protocol

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Acronym or Abbreviation
Full Spelling
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

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Contents
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Contents
About This Document.................................................................................................................... ii
1 Product Overview .........................................................................................................................1
2 Technical Specifications ..............................................................................................................2
2.1 Hardware Specifications...............................................................................................................................................2
2.2 Antenna Specifications .................................................................................................................................................4
2.2.1 Build-in LTE Antenna................................................................................................................................................4
2.2.2 Build-in Wi-Fi Antenna .............................................................................................................................................6
2.3 Software Specifications ................................................................................................................................................6
3 Services and Applications .........................................................................................................11
3.1 Data Services .............................................................................................................................................................. 11
3.1.1 Accessing the Internet through a Mobile Network (LTE/UMTS/GSM).................................................................. 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 SmartHome APP...................................................................................................................................16
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 B311-221 LTE CPE
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1 Product Overview
The HUAWEI LTE CPE B311-221 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 B311-221 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: B1/3/7/8/20/38, UMTS: B1/B8, GSM: B2/B3/B5/B8
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 SmartHome APP (iOS or Android)
Operator maintenance via TR-069 (Optional) and TR-143 (Optional)
Huawei Firmware Over the Air (HOTA)
Figure 1-1 B311-221 appearance

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2 Technical Specifications
2.1 Hardware Specifications
Table 2-1 Technical specifications of the B311-221 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
B1/B3/B7/B8/B20/B38
UMTS
B1/B8
GSM
B2/B3/B5/B8
WLAN
2.402 GHz～2.482 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/GSM 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
Yellow: GSM 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 B311-221 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
B1/B3/B7/B8/B20/B38: 23dBm±2dB
UMTS
B1/B8: 24dBm+1/-3dB
GSM
B2/B3: 30dBm±2dB
B5/B8: 33dBm±2dB
WLAN
802.11b: 13 dBm
802.11g/n: 14.5 dBm
Receiving
sensitivity
LTE
Band
1.4MHz
(dBm)
3MHz
(dBm)
5MHz
(dBm)
10MHz
(dBm)
15MHz
(dBm)
20MHz
(dBm)
B1
-100
-97
-95.2
-94
B3
-101.7
-98.7
-97
-94
-92.2
-91
B7
-98
-95
-93.2
-92

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Item
Description
B8
-102.2
99.2
-97
-94
B20
-97
-94
-91.2
-90
B38
-100
-97
-95.2
-94
UMTS
B1: -106.7dBm
B8: -103.7dBm
GSM
B2/B3/B5/B8: -102dBm
WLAN
802.11b: -85 dBm（11 Mbps）
802.11g: -71 dBm（54 Mbps）
802.11n: -69 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
CE certification
ROHS
REACH
WEEE
Wi-Fi certification
Erp
GCF
2.2 Antenna Specifications
2.2.1 Build-in LTE Antenna
Table 2-2 LTE antenna specifications
Item
Description
Frequency
FDD LTE

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Item
Description
B1: UL 1920–1980 MHz DL 2110–2170 MHz
B3: UL 1710–1785 MHz DL 1805–1880 MHz
B7: UL 2500–2570 MHz DL 2620–2690 MHz
B8: UL 880–915 MHz DL 925–960 MHz
B20: UL 832–862 MHz DL 791–821 MHz
TDD LTE
B38: UL 2570–2660 MHz DL 2570–2660 MHz
UMTS
B1: UL 1920–1980 MHz DL 2110–2170 MHz
B8: UL 880–915 MHz DL 925–960 MHz
GSM
B2: UL 1850–1910 MHz DL 1930–1990 MHz
B3: UL 1710–1785 MHz DL 1805–1880 MHz
B5: UL 824–849 MHz DL 869–894 MHz
B8: UL 880–915 MHz DL 925–960 MHz
Input impedance
50 Ω
Standing wave ratio
< 3
Main antenna
efficiency
LTE
B1: -1.5 dB
B3: -2.5 dB
B7: -2.5 dB
B8: -2.5 dB
B20: -2.5 dB
B38: -2 dB
UMTS
B1: -1.5 dB
B8: -2.5dB
GSM
B5/B8: -2.5 dB
B2/B3: -2.5 dB
Diversity antenna
efficiency
LTE
B1: -2.5 dB
B3: -2.5 dB
B7: -2.5 dB
B8: -3 dB
B20: -2 dB
B38: -2 dB
UMTS
B1: -2.5 dB

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Item
Description
B8: -3 dB
Main antenna gain
LTE
B1/B3/B7B8/B20/B38: 1~2 dBi
UMTS
B1/B8: 1~2 dBi
GSM
B5/B8: 1~2 dBi
B2/B3: 1~2 dBi
Diversity antenna gain
LTE
B1/B3/B7/B8/B20/B38: 1~2 dBi
TX/RX
1T2R
Polarization
Linear polarization
2.2.2 Build-in Wi-Fi Antenna
Table 2-3 WLAN 2.4 GHz antenna specifications
Item
Description
Frequency
2.402 GHz –2.482 GHz (Channel 1 –Channel 13)
Input impedance
50 Ω
Standing wave ratio
< 2
Efficiency
-2 dB
Gain
≤3.8 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

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Item
Description
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
IPv4v6 dual stack
IPv6 only (Optional , CLAT for LAN side IPv4 device access Internet)
IPv4 only
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 (Optional)
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
EDGE: DL 236.8Kbps, UL 236.8 Kbps
GPRS: DL 85.6 Kbps, UL 85.6 Kbps
WLAN 802.11b/g/n
Supports multi APNs (Optional, one for data, one for voice, and one for
TR-069).

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Item
Description
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 and
GSM networks.
Supports circuit switched fallback (CSFB).
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 SRVCC to GSM
Supports in-band/out-band (RFC2833) DTMF

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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
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
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 10 MAC address entries.
STA
Supports inquiry of STA status.
Supports a maximum of 32 connected stations.

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Item
Description
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).
Maintenance
Supports export of current diagnosis results and operation logs.
HUAWEI
SmartHome
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.

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3 Services and Applications
3.1 Data Services
The B311-221 can access the Internet through mobile networks and Ethernet networks. By
connecting to the B311-221 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/GSM)
The B311-221 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 B311-221'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 B311-221 provides one telephone port that can be connected to telephones for calling.
Figure 3-3 Connecting telephones to the B311-221