Huawei 4G LTE Cat4 Router B311-221, SIM, Wi-Fi, Up to 32 Devices

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Elevate your internet experience at home or in the office with the Huawei 4G LTE Cat4 B311-221 Router—an efficient, reliable solution from the renowned Huawei brand. Designed for environments without a fixed broadband line, this powerful CPE router utilizes a SIM card and supports up to 32 Wi-Fi devices simultaneously, making it ideal for large families, small businesses, or temporary setups such as exhibitions and construction sites. The Huawei B311-221 offers impressive performance, with 4G LTE download speeds up to 150 Mbps and upload speeds up to 50 Mbps. Its Wi-Fi delivers speeds up to 300 Mbps, thanks to support for 802.11b/g/n standards and 2x2 MIMO technology. The router covers multiple frequency bands (B1, B3, B7, B8, B20, B38), ensuring optimal connectivity wherever you are. Unlocked for universal compatibility, it works with most mobile service providers—just insert your SIM card and go. Technical specifications include a Gigabit Ethernet port (LAN/WAN), one RJ11 phone port for voice services such as VoIP and VoLTE, and two SMA-Female connectors for external antennas, complementing the built-in internal antennas for stronger signal coverage when needed. This flexibility is especially useful for locations with weak cellular signals. Security is a top priority; the B311-221 features a comprehensive firewall, MAC address filtering, DMZ support, network address translation (NAT), and VPN support (L2TP, PPTP). Wi-Fi encryption options include WEP and WPA/WPA2-PSK, safeguarding your data and privacy. Parental control features and a guest Wi-Fi network enable safe sharing of your internet connection without compromising network security. Recommended uses span homes, small offices, and temporary sites, serving as a reliable backup solution when fixed broadband is unavailable. The plug-and-play setup means you can get online quickly with minimal effort. Management is simple via the web-based interface or the Huawei AI Life app, available on Hicloud, AppGallery, and Apple Store. With a sleek, compact design (181mm x 126mm x 36mm) and lightweight build (about 350g), the B311-221 fits discreetly into any space. The box includes the modem, power adapter, and user manual, with Huawei’s two-year warranty providing peace of mind and excellent after-sales support. For optimal performance, place the router in an elevated spot away from sources of interference and clean it regularly with a dry cloth. Avoid using chemicals or water directly on the device. Keep the firmware updated via the management interface to ensure maximum security and functionality. Experience smart, practical wireless connectivity with the Huawei 4G LTE Cat4 B311-221 Router—the perfect solution for modern connectivity needs in any environment.

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Router Type: Fixed 4G LTE Router
Weight: Approx. 350 g
Warranty: 2 years
Guest Network: Supported
Parental Control: Supported
Wi-Fi Speed: Up to 300 Mbps
Model: B311-221
Supported Mobile Networks: 4G LTE Cat4, 3G UMTS, 2G GSM
4G LTE Bands: B1 (2100MHz), B3 (1800MHz), B7 (2600MHz), B8 (900MHz), B20 (800MHz), B38 (2600MHz)
4G Download Speed: Up to 150 Mbps
4G Upload Speed: Up to 50 Mbps
Wi-fi: 802.11b/g/n, 2.4 GHz frequency
Supported Devices: Up to 32 Wi-Fi devices
MIMO Technology: 2x2 MIMO
Ports: 1 Ethernet (LAN/WAN) port, 1 Phone (RJ11) port
Antennas: Strong internal antennas, 2 external antenna ports
Security Features: Firewall, MAC address filtering, DMZ support, NAT, VPN support (L2TP, PPTP), WEP and WPA/WPA2-PSK encryption
Service Provider Compatibility: Unlocked, compatible with most carriers
Router Management: Web interface, Huawei AI Life app
Dimensions: 181 x 126 x 36 mm
Box Contents: Modem, power adapter, user manual

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