Huawei B311-221 User manual

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

HUAWEI B311-221 LTE CPE
Product Description
1 Product Overview
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1
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

HUAWEI B311-221 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 B311-221 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

HUAWEI B311-221 LTE CPE
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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

HUAWEI B311-221 LTE CPE
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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

HUAWEI B311-221 LTE CPE
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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

HUAWEI B311-221 LTE CPE
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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).

HUAWEI B311-221 LTE CPE
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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

HUAWEI B311-221 LTE CPE
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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.

HUAWEI B311-221 LTE CPE
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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.

HUAWEI B311-221 LTE CPE
Product Description
3 Services and Applications
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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 telephonesto the B311-221

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3.3 SMS
The B311-221 supports message writing/sending/receiving and group sending (up to 50
-contacts at a time).
3.4 Security Service
The B311-221 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.
3.4.1 Firewall Service
The B311-221 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.
3.4.2 MAC Filtering
The B311-221 supports configuration of the MediaAccess Control (MAC) address to restrict
network access.
3.4.3 Wi-Fi Authentication
The gateway supports the following user authentication protocols for WLAN:
No encryption
WEP, WPA2-PSK (AES), WPA/WPA2-PSK (TKIP/AES).
3.5 VPN Function
3.5.1 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 B311-221 supports L2TP and PPTP tunneling protocols.
LTE
LTE VPN Client SGW PGW
MME
Internet
PC
VPNTunnel
L2TP/ PPTP
VPN Server

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3.5.2 VPN Pass-Through
The B311-221 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.
LTE
CPE SGW PGW
MME
Internet
VPN Client
VPNTunnel
L2TP VPN Server
PPTP
IPsec
3.6 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.
LTE
CPE SGW PGW
Internet
RJ45
ROUTER
PC
LTE
CPE
RJ45
PC
CASE 1
CASE 2
3.7 IPv6 Only and IPv4v6 Dual Stack
3.7.1 IPv4v6 Dual Stack
CPE provides dual stack function.
SGW PGW
MME PCRF
LTE
CPE
IPv4v6 bear
Internet IPv6
Internet IPv4
V4
V6
UE
IPv4
only
device
IPv6
only
device
3.7.2 IPv6 Only (CLAT)
The LTE CPE supports IPv6 only with the transition solution CLAT for IPv4 device.

HUAWEI B311-221 LTE CPE
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SGW PGW
MME
IPv6 bear
PLAT
V6
V6 V4
Internet IPv6
Internet IPv4
LTE
UE
IPv6
only
device
IPv4
only
device
CLAT
CPE
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.
3.8 Multi-APN
The B311-221 supports the establishment and maintenance of three APNs. These three APN
connections isolate data, voice, and remote management services on an operator's network.
The B311-221 supports an independent APN for CPE internal/VoIP/TR-069.
SGW PGW
MME
Internet IPv4
LTE
UE
Default APN
VoIP APN
TR-069 APN
CPE
3.9 HiLink
Supports up to two HiLink devices to connect to B311-221 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 B311-221 through the WPS/Hi
button.

HUAWEI B311-221 LTE CPE
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3.10 Customer management
3.10.1 WebUI
The B311-221 supports local configuration through the Web UI. You can perform device
management and network configuration to ensure normal and stable performance.
3.10.2 HUAWEI SmartHome APP
Scan the QR code (can be found in the Quick Start Guide and Web UI) to download the
HUAWEI SmartHome APP and configure the router from your phone.
3.11 Operator maintenance
The B311-221 supports Operator maintenance through the TR-069. Operator remote manages
the CPE software update/parameters configuration via TR-069.
SGW PGW
MME
Internet IPv4
LTE
UE
Auto-Configuration
Server(ACS)
CPE
3.12 HOTA
The B311-221 supports the HOTA feature, which allows users to remotely update the device
firmware through the HOTA server.

HUAWEI B311-221 LTE CPE
Product Description
4 System Structure and Scenario Constraints
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4 System Structure and Scenario
Constraints
4.1 System Architecture
Figure 4-1 System structure
The following describes the modules shown in Figure 4-1.
LTE access function: The B311-221 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 B311-221 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 WLANAP 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 B311-221 and modify and view the
configuration of the B311-221.
IP routing protocol and NAT: The B311-221 has high-speed routing capability. With the
built-in NAT, the B311-221, together with LTE terminals, can provide flexible broadband
access solutions and networking schemes.

HUAWEI B311-221 LTE CPE
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4 System Structure and Scenario Constraints
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Voice function: The B311-221 supports voice services.
4.2 Scenario Constraints
The B311-221 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 B311-221 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 B311-221 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.

HUAWEI B311-221 LTE CPE
Product Description
5 Technical References
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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.