Huawei Product Description B311s 220 (V100R001 01,English) For Egypt

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HUAWEI 4G Router B311s-220
V100R001

Product Description

Issue

01

Date

2017-12-12

HUAWEI TECHNOLOGIES CO., LTD.

Copyright © Huawei Technologies Co., Ltd. 2018. 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.

Trademarks and Permissions
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
representations of any kind, either express or implied.
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:

mobile@huawei.com

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HUAWEI 4G Router B311s-220
Product Description

About This Document

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

2017-12-12

Initial official release.

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HUAWEI 4G Router B311s-220
Product Description

About This Document

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

GSM

Global System for Mobile Communications

IEEE

Institute of Electrical and Electronics Engineers

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Product Description

About This Document

Acronym or Abbreviation

Full Spelling

IP

Internet Protocol

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

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Acronym or Abbreviation

Full Spelling

SDP

Session Description Protocol

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

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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Product Description

Contents

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 ......................................................................................................... 10
3.1 Data Services .............................................................................................................................................................. 10
3.1.1 Accessing the Internet through a Mobile Network .................................................................................................. 10
3.1.2 Accessing the Internet through an Ethernet Network .............................................................................................. 11
3.2 SMS ............................................................................................................................................................................ 11
3.3 Security Service .......................................................................................................................................................... 11
3.3.1 Firewall Service ....................................................................................................................................................... 11
3.3.2 MAC Filtering ......................................................................................................................................................... 11
3.3.3 Wi-Fi Authentication................................................................................................................................................ 12
3.4 VPN Function ............................................................................................................................................................. 12
3.4.1 VPN Client............................................................................................................................................................... 12
3.4.2 VPN Pass-Through .................................................................................................................................................. 12
3.5 IP Pass-Through .......................................................................................................................................................... 12
3.6 IPv6 Only and IPv4v6 Dual Stack .............................................................................................................................. 13
3.6.1 IPv4v6 Dual Stack ................................................................................................................................................... 13
3.6.2 IPv6 Only (CLAT) ................................................................................................................................................... 13
3.7 Multi-APN .................................................................................................................................................................. 13
3.8 HiLink ......................................................................................................................................................................... 14
3.9 Customer management ............................................................................................................................................... 14
3.9.1 WebUI ...................................................................................................................................................................... 14
3.9.2 HUAWEI SmartHome APP ..................................................................................................................................... 14
3.10 Operator maintenance ............................................................................................................................................... 15
3.11 HOTA........................................................................................................................................................................ 15

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4 System Structure and Scenario Constraints ........................................................................... 16
4.1 System Architecture .................................................................................................................................................... 16
4.2 Scenario Constraints ................................................................................................................................................... 17

5 Technical References .................................................................................................................. 18
5.1 Standards and Communication Protocols ................................................................................................................... 18
5.1.1 Standards and Communication Protocols of the Product ......................................................................................... 18
5.1.2 Standards and Communication Protocols of the Wireless Uu Interface ................................................................... 18

6 Packing List .................................................................................................................................. 19

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Product Description

1 Product Overview

1

Product Overview

The HUAWEI 4G Router B311s-220 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 B311s-220 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, UMTS: B1/B8, GSM: B2/B3/B5/B8



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, 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 B311s-220 appearance

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2 Technical Specifications

2

Technical Specifications

2.1 Hardware Specifications
Table 2-1 Technical specifications of the B311s-220 main unit
Item

Description

Technical
standard

WAN

3GPP Release 9

LAN

IEEE 802.3/802.3u

WLAN

IEEE 802.11b/g/n

LTE

B1/B3/B7/B8/B20

UMTS

B1/B8

GSM

B2/B3/B5/B8

WLAN

2.402 GHz~2.482 GHz

Working
band/frequency

External port

Antennas

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

One power adapter port



One LAN/WAN port (RJ45), IEEE 802.3/802.3u



One external LTE antenna ports (SMA)



One SIM card slot (Mini-SIM)



Built-in LTE/UMTS/GSM primary antenna



Built-in LTE/UMTS secondary antenna



Built-in WLAN 2.4 GHz antenna

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2 Technical Specifications

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 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 B311s-220 detects
a new HiLink device.
 HiLink devices include Honor routers, Honor set-up boxes,
Honor handsets (EMUI 5.0 and later), and more.

Buttons



One LAN/WAN indicator (White)



One group of signal strength indicators (White)



One Power ON/OFF switch



One WPS 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.



Maximum
transmit power

One Reset button

LTE

B1/B3/B7/B8/B20: 23dBm±2dB

UMTS

B1/B8: 24dBm+1/-3dB

GSM



B2/B3: 30dBm±2dB



B5/B8: 33dBm±2dB



802.11b: 13 dBm



802.11g/n: 14.5 dBm

WLAN

Receiving
sensitivity

LTE

Band

1.4MHz

3MHz

5MHz

10MHz

15MHz

20MHz

(dBm)

(dBm)

(dBm)

(dBm)

(dBm)

(dBm)

-100

-97

-95.2

-94

-97

-94

-92.2

-91

-98

-95

-93.2

-92

B1
B3

-101.7

-98.7

B7

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2 Technical Specifications

Item

Description
B8

-102.2

99.2

B20

UMTS



B1: -106.7dBm



B8: -103.7dBm

-97

-94

-97

-94

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



AC (input): 100V-240V 50Hz/60Hz

power supply



DC (output): 12V/1A

Dimensions

181 mm (Width) x 126 mm (High) x 36 mm (Deep)

-91.2

-90

(Maximum)
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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

B1: UL 1920–1980 MHz DL 2110–2170 MHz



B3: UL 1710–1785 MHz DL 1805–1880 MHz

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Item

Description


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

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

UMTS


B1: -1.5 dB



B8: -2.5dB

GSM

Diversity antenna
efficiency



B5/B8: -2.5 dB



B2/B3: -2.5 dB

LTE:


B1: -2.5 dB



B3: -2.5 dB



B7: -2.5 dB



B8: -3 dB



B20: -2 dB

UMTS:

Main antenna gain



B1: -2.5 dB



B8: -3 dB

LTE:


B1/B3/B7B8/B20: 1~2 dBi

UMTS:


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B1/B8: 1~2 dBi

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2 Technical Specifications

Item

Description
GSM :

Diversity antenna gain



B5/B8: 1~2 dBi



B2/B3: 1~2 dBi

LTE:
B1/B3/B7/B8/B20: 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

-3 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

Gateway

Router

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APN auto adapter


Supports the default route: 0.0.0.0.



Supports manual configuration of LAN IP addresses.



Supports Address Resolution Protocol (ARP).

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Item

2 Technical Specifications

Description
DHCP server

NAT



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.



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 (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

SMS

Data service



Support L2TP VPN client



Support PPTP VPN client



Writing/sending/receiving



Writing/sending/receiving extra-long messages



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, and one for TR-069).

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2 Technical Specifications

Item

Description

Firewall setup



Firewall enable/disable



URL filtering



LAN IP filtering



Port forwarding (Virtual server)



Port triggering (Special Application)



DMZ service



UPnP service



ALG settings



10/100/1000 Mbps auto-negotiation



MDI/MDIX auto-sensing



IEEE 802.3/802.3u-compatible

LAN

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



Supports the MAC address authentication whitelist.



Supports the MAC address authentication blacklist.



Supports a maximum of 10 MAC address entries.



Supports inquiry of STA status.



Supports a maximum of 32 connected stations.

MAC address
authentication

STA

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.

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Product Description

2 Technical Specifications

Item

Description

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

Services and Applications

3.1 Data Services
The B311s-220 can access the Internet through mobile networks and Ethernet networks. By
connecting to the B311s-220 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
The B311s-220 can access the Internet through mobile networks.
Figure 3-1 Accessing the Internet through a mobile network

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HUAWEI 4G Router B311s-220
Product Description

3 Services and Applications

3.1.2 Accessing the Internet through an Ethernet Network
The B311s-220'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 SMS
The B311s-220 supports message writing/sending/receiving and group sending (up to 50
-contacts at a time).

3.3 Security Service
The B311s-220 supports comprehensive and robust security services. It provides a firewall
function and PIN protection mechanisms. These features allow users to connect their
computers to the Internet and simultaneously protect their computers against security threats
from the Internet.

3.3.1 Firewall Service
The B311s-220 supports the enabling or disabling of a firewall on the network connection,
which protects the device and network from attacks by hackers on the Internet and controls
access to the Internet.

3.3.2 MAC Filtering
The B311s-220 supports configuration of the Media Access Control (MAC) address to restrict
network access.
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HUAWEI 4G Router B311s-220
Product Description

3 Services and Applications

3.3.3 Wi-Fi Authentication
The gateway supports the following user authentication protocols for WLAN:


No encryption



WEP, WPA2-PSK (AES), WPA/WPA2-PSK (TKIP/AES).

3.4 VPN Function
3.4.1 VPN Client
VPN tunneling involves establishing and maintaining a logical network connection (that may
contain intermediate hops). On this connection, packets constructed in a specific VPN
protocol format are first encapsulated within some other base or carrier protocol, then
transmitted between the VPN client and server, and finally decapsulated on the receiving side.
The B311s-220 supports L2TP and PPTP tunneling protocols.
MME

VPN Tunnel

LTE
LTE VPN Client
PC

Internet
SGW

PGW

VPN Server

L2TP/ PPTP

3.4.2 VPN Pass-Through
The B311s-220 supports L2TP/PPTP/IPsec VPN pass-through for the LAN side device. The
LAN side device can create a VPN tunnel to the VPN server.
MME

VPN Client

L2TP

LTE
CPE

VPN Tunnel

Internet
SGW

PGW

VPN Server

PPTP
IPsec

3.5 IP Pass-Through
The LTE CPE obtains the WAN IP address and passes it through to the PC (Case 1) or Router
(Case 2), and then the PC (Case 1) or Router (Case 2) can directly use the WAP IP address.

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HUAWEI 4G Router B311s-220
Product Description

3 Services and Applications
RJ45

CASE 1

LTE
CPE

PC

RJ45

CASE 2

Internet

LTE
PC

ROUTER

SGW

CPE

PGW

3.6 IPv6 Only and IPv4v6 Dual Stack
3.6.1 IPv4v6 Dual Stack
CPE provides dual stack function.
PCRF

MME
IPv4
only
device

Internet IPv4
IPv4v6 bear
IPv6
only
device

V4

LTE

V6
SGW

CPE

Internet IPv6

PGW

UE

3.6.2 IPv6 Only (CLAT)
The LTE CPE supports IPv6 only with the transition solution CLAT for IPv4 device.
MME
IPv6
only
device

PLAT

V6

CLAT
LTE

IPv4
only
device

CPE

Internet IPv4
V4

IPv6 bear

V6
SGW

PGW

Internet IPv6

UE

When the IPv6 only (CLAT) function is enabled, NAT-based functions (like DMZ/Port
Forwarding/Port tigger) cannot be used.
When an IPv4 device accesses the Internet, the performance is degraded because packets need
to be packetized and unpacked. However, IPv6 devices are not affected.

3.7 Multi-APN
The B311s-220 supports the establishment and maintenance of three APNs. These three APN
connections isolate data, and remote management services on an operator's network.
The B311s-220 supports an independent APN for CPE internal/VoIP/TR-069.

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HUAWEI 4G Router B311s-220
Product Description

3 Services and Applications
MME

Default APN
VoIP APN

Internet IPv4

TR-069 APN
LTE

CPE

SGW

PGW

UE

3.8 HiLink


Supports up to two HiLink devices to connect to B311s-220 through the WPS/Hi button
to create an expanded network.



Supports quick connection between a HiLink device (such as Honor set-up boxes and
Honor handsets running on EMUI 5.0 and later) and B311s-220 through the WPS/Hi
button.

3.9 Customer management
3.9.1 WebUI
The B311s-220 supports local configuration through the Web UI. You can perform device
management and network configuration to ensure normal and stable performance.

3.9.2 HUAWEI SmartHome APP
Scan the QR code (can be found in the Quick Start Guide and Web UI), or search for Huawei
SmartHome in the Google Play Store or Apple App Store to download the HUAWEI
SmartHome APP and configure the router from your phone.

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HUAWEI 4G Router B311s-220
Product Description

3 Services and Applications

3.10 Operator maintenance
The B311s-220 supports Operator maintenance through the TR-069. Operator remote
manages the CPE software update/parameters configuration via TR-069.
MME

Internet IPv4
LTE

CPE

SGW

PGW

Auto-Configuration
Server(ACS)

UE

3.11 HOTA
The B311s-220 supports the HOTA feature, which allows users to remotely update the device
firmware through the HOTA server.

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HUAWEI 4G Router B311s-220
Product Description

4 System Structure and Scenario Constraints

4

System Structure and Scenario
Constraints

4.1 System Architecture
Figure 4-1 shows the interfaces for the B311s-220.
Figure 4-1 System structure

The following describes the modules shown in Figure 4-1.


LTE access function: The B311s-220 adopts the LTE access technology at the WAN side.



LAN access function: One 10/100/1000 Mbps high-speed Ethernet ports are provided at
the LAN side. The B311s-220 provides the switching function for local networking and
sharing of the broadband network when it is connected to terminal devices.



AP function: An 802.11b/g/n-compliant WLAN AP interface is provided for wireless
networking at home. The interface is compliant with the IEEE 802.11b/g/n standard and
the WEP, WPA/WPA2-PSK, WPA2-PSK security authentication mechanisms.



DHCP/DNS: The DHCP server dynamically allocates IP addresses to PCs.



Web-based management: You can configure the B311s-220 and modify and view the
configuration of the B311s-220.

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HUAWEI 4G Router B311s-220
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

4 System Structure and Scenario Constraints

IP routing protocol and NAT: The B311s-220 has high-speed routing capability. With the
built-in NAT, the B311s-220, together with LTE terminals, can provide flexible
broadband access solutions and networking schemes.

4.2 Scenario Constraints
The B311s-220 is a household wireless broadband access product designed for use in
scenarios with relatively few network access devices and relatively low network reliability
requirements, such as homes or small office and home offices (SOHOs).
The B311s-220 is not an enterprise-grade product. It cannot be used by medium- or
large-sized enterprises or in scenarios with high network reliability requirements, such as
banks, securities agencies, traffic control, and communications device backhaul.
The B311s-220 has the following constraints:


When the IP Pass-Through mode is enabled, the HOTA function cannot be used.



When the L2TP/PPTP VPN client function is enabled, the throughput performance will
slow down.



A maximum of 32 devices can be connected to the WLAN in theory; the actual number
of devices that can be connected and served depends on actual conditions.

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HUAWEI 4G Router B311s-220
Product Description

5 Technical References

5

Technical References

5.1 Standards and Communication Protocols
5.1.1 Standards and Communication Protocols of the Product
Table 5-1 Standards and communication protocols of the product
Item

Description

Physical layer

RFC894

ARP

RFC826

IP

RFC791, RFC1122, RFC1071, RFC1141, RFC1624, RFC792, RFC950,
RFC1256

ICMP

RFC792, RFC950, RFC1256

TCP

RFC793

UDP

RFC768

DHCP

RFC1531, RFC1533

NAT

RFC1631, RFC2663, RFC3022, RFC3027

VoIP

RFC3261,RFC2327,RFC1889,RFC1890,RFC3550

5.1.2 Standards and Communication Protocols of the Wireless Uu
Interface
This device supports 3GPP Release 9.

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HUAWEI 4G Router B311s-220
Product Description

6 Packing List

6

Packing List

Table 6-1 Packing list
Description

Quantity

Remarks

Wireless Gateway

1

Standard

Power supply adapter

1

Standard

Quick Start

1

Standard

Ethernet cable

1

Standard

Warranty card

1

Optional

The HUAWEI B311s-220 wireless gateway has an optional external antenna.

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Title                           : Product Description
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