Description
Huawei B311-221 Unlock 4G LTE Router
The Huawei B311-221 LTE 4G router modem offers swift access to high-speed Internet through 4G LTE Cat4 technology. Compatible with various connection standards including LTE, DC-HSPA+, HSPA+, HSPA, WCDMA, EDGE, GPRS, and GSM, it ensures versatile connectivity options. Equipped with a 2.4 GHz Wi-Fi module, the device facilitates wireless connections, while WPS functionality enables quick and secure network connections.
Huawei B311-221 Unlock 4G LTE Router – Fast, Reliable, and Portable Internet Anywhere
The Huawei B311-221 is a powerful and versatile 4G LTE WiFi router built for stable and high-speed internet connectivity. Whether you’re working from home, streaming content, or need reliable internet in rural or remote areas, the Huawei B311-221 Unlock 4G LTE Router offers a dependable solution.
This factory unlocked Huawei router is compatible with most carriers, making it the ideal SIM card router for remote areas. It functions as both a Huawei LTE CPE Router and a Portable 4G SIM router, giving you the flexibility to connect anywhere. Simply insert your SIM card, plug in the device, and you’re ready to go—no complicated setup required.
As a B311-221 Unlocked Router, it supports easy configuration with access to Huawei B311-221 network settings, admin login, and custom setup options. Whether you’re looking for the best SIM for Huawei B311-221, need to perform a Huawei B311-221 firmware download, or troubleshoot with a Huawei B311-221 no signal fix, this router has robust support and resources available.
If you’re comparing models, the Huawei B311-221 vs B315 router debate often comes down to performance and portability—with the B311-221 favored for ease of use and plug-and-play functionality.
Looking to buy unlocked Huawei B311-221 online? This Huawei B311-221 SIM Router is fully compatible with local carriers, including PTA approved LTE routers for users in Pakistan. It’s one of the best LTE routers for rural areas, offering consistent performance and coverage where wired internet isn’t an option.
Need to unlock Huawei B311-221 router manually? Accessing the B311-221 router unlock code and setting up via the Huawei B311-221 4G router setup interface is straightforward. This Huawei B311 LTE CPE is a top choice for users looking for flexibility, mobility, and performance in one compact device.
Whats in box?
1x Huawei B311-221 Unlock 4G LTE Router
1x 12v 1A Charger
1x Ethernet cable
1x SMA Male Antenna

Features
Brand | Huawei |
Model | B311-221 |
Support Sim | Unlock for any prepaid sim |
IMEI | PTA Offical Approved |
Communication type | Wi-Fi, 4G/LTE |
LTE category | Cat.4 (150Mb/s Download, 50Mb/s Upload) |
Maximum wireless transmission speed | 150 Mb/s |
Number of LAN ports | 1(RJ45) |
Operating frequency | LTE, 2.4 GHz |
Wireless network standards | IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, |
LTE bands | B1 (2100MHz), B3 (1800MHz), B7 (2600MHz), B8 (900MHz), B20 (800MHz), B38 (2600MHz), |
Technical data
WAN | 3GPP Release 9 |
LAN | IEEE 802.3/802.3u |
WLAN | IEEE 802.11b/g/n |
Supported bands / frequencies |
|
LTE | B1/B3/B7/B8/B20/B38 Cat4 |
UMTS | B1/B8 |
GSM | B2/B3/B5/B8 |
WLAN | 2.402 GHz – 2.482 GHz |
Ports | One power supply port One LAN/WAN port (RJ45), IEEE 802.3/802.3u One phone port (RJ11) One external LTE antenna port (SMA) One SIM card slot (Mini-SIM) |
Antennas | Built-in LTE/UMTS/GSM main antenna Built-in additional LTE/UMTS antenna Built-in 2.4 GHz WLAN antenna |
LED signalling | One power indicator (white) One Internet status indicator Cyan: Access to the LTE network Blue: UMTS network access Yellow: GSM network access Green: Ethernet access Red: No SIM card has been inserted or detected, or the SIM card has insufficient balance.One Wi-Fi/WPS/Hi indicator (white) Slow flashing: A passive HiLink is detected. Fast flashing: Pairing of the HiLink continues. Off: WiFi is turned off. The indicator starts flashing slowly only when the B311-221 detects a new HiLink. |
Buttons | One power on/off switch One WPS/Hi button The Wi-Fi indicator flashes slowly when the router detects HiLink. Press the WPS button, to connect HiLink to the Wi-Fi network in your router. When the Wi-Fi indicator is on, press the WPS button to enable WPS. One Reset button |
Maximum transmission 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 |
Other | |
Energy 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 (height) x 36 mm (depth) |
Weight | Approximately 218 g (without power supply) |
Temperature | Operating temperature: 0°C to 40°C Storage temperature: -20°C to +70°C |
Humidity | 5% – 95% (non-condensing) |
Certification/conformity | CE, ROHS, REACH, WEEE, Wi-Fi, Erp, GCF |
Software |
|
LTE | DL 2×2 MIMO DL 64QAM, UL 16QAM |
Mobile network | APN Management Auto adaptive APN |
Router | Supports the default route: 0.0.0.0.0. Supports manual configuration of LAN IP addresses. Supports Address Resolution Protocol (ARP). |
DHCP | The DHCP server can be enabled or disabled. The DHCP server address pool can be configured. Lease can be configured. The DNS relay under the DHCP server can be enabled or disabled. |
NAT | Supports NAT and NAPT (compliant with RFC2663, RFC3022 and RFC3027). – Supports cone NAT. |
ARP | Supported |
ICMP | Supported |
VPN pass-through | Supported |
VPN client | L2TP VPN customer service PPTP VPN customer service (optional) |
SMS | Writing/Sending/Receiving Writing/sending/receiving very long messages |
Firewall | Firewall activation/deactivation URL filtering IP filtering in LAN Port forwarding (Virtual server) Triggering ports (special application) DMZ service UPnP service ALG settings |
LAN | 10/100/1000 Mbps auto-negotiation Automatic MDI/MDIX detection Compliant with IEEE 802.3/802.3u |
WLAN | Sets and hides service set identifiers (SSIDs) Compliant with IEEE 802.11b/g/n WPS WMM Encryption: WEP, AES, and TKIP + AES Safety mode: Open, WPA2-PSK, WPA/WPA2-PSK, WEP MAC Address Authentication |

Huawei’s B311 series includes several LTE routers designed for home and small office use. These models vary in features such as supported LTE bands, Wi-Fi capabilities, and Ethernet ports. Here’s an overview of the main B311 models:
-
B311-221:
Basic model with external antenna support, Mini-SIM, 1 LAN port, no NFC. Good for home use. -
B311B-853:
More advanced — supports more LTE bands, 4 LAN ports, Nano-SIM, has NFC, but no external antenna. -
B311-520:
Similar to B311-221, Mini-SIM, 1 LAN port, external antenna supported. Compact and reliable. -
B311S-220:
Nearly identical to B311-520, with slight regional or firmware differences.
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