Huawei 4G Wireless LTE Router 150 MBps, WiFi Mobile with 1 GE LAN/WAN Port, WiFi 300 MBps Speed, White

Huawei B311-221 4G Wireless LTE Router

The Huawei B311-221 is a compact desktop router that brings high‑speed mobile connectivity to any environment. Designed for home, office or travel use, it combines the power of 4G LTE with reliable Wi‑Fi and Gigabit Ethernet, all wrapped in an elegant white chassis.

Key Features at a Glance

• Mobile Network: Cat.4 4G LTE – up to 150 Mbps download, 50 Mbps upload
• Wi‑Fi Standard: 802.11n (Wi‑Fi 4) – 2.4 GHz single band, 300 Mbps maximum throughput
• Ethernet Ports: One Gigabit LAN/WAN RJ‑45 port for wired devices and WAN connectivity
• SIM Slot: Dual‑SIM (or single) slot with micro‑SIM support, enabling flexible carrier selection
• Security: WPA2‑PSK, WPS push‑button, DHCP, NAT, L2TP, PPTP, IPv6, ICMP
• Power: DC input via 5 V/1.8 A adapter (included)
• Dimensions & Build: Plastic housing, internal and external SMA antenna design for optimal signal reception

Wireless Performance

The router’s Wi‑Fi module operates on the 2.4 GHz band using the 802.11n (Wi‑Fi 4) standard, delivering up to 300 Mbps of theoretical maximum speed. While it does not support dual‑band or 5 GHz operation, its single‑band design simplifies setup and reduces interference in congested environments.

Mobile Connectivity & SIM Management

The B311-221 features a micro‑SIM slot that can accommodate either a single SIM or dual SIM cards (one active at a time). This flexibility allows users to switch carriers without changing hardware, making it ideal for travelers or those who need backup connectivity.

Ethernet and LAN/WAN Integration

A single Gigabit Ethernet RJ‑45 port serves dual purposes: it can be used as a LAN connection to wired devices such as PCs, gaming consoles, or smart TVs, or as a WAN port when the router is connected directly to an external modem. The Gigabit interface supports data rates of 10/100/1000 Mbps, ensuring that wired connections are never a bottleneck.

Security and Management

The device incorporates robust security protocols:

• WPA2‑PSK for Wi‑Fi encryption
• WPS push‑button for quick, secure network setup
• DHCP, NAT, L2TP, and PPTP support for VPN connectivity
• IPv6 compatibility to future‑proof the network
• LED indicators for LAN, power, status, and WLAN provide instant visual feedback on device health.

Power Supply and Physical Design

The router is powered via a standard DC input (5 V/1.8 A) supplied by an external adapter. Its compact plastic enclosure houses both internal and external SMA antennas, allowing users to attach an external antenna for improved reception in weak signal areas.

Operating Modes

The B311-221 can operate in several modes:

• Standalone Hotspot: Connect a micro‑SIM and share the 4G connection wirelessly with multiple devices.
• Router Mode: Use the Gigabit Ethernet port as WAN to connect to an existing broadband line, while providing Wi‑Fi for local devices.
• Bridge Mode: Connect the router to another network via its LAN/WAN port and use it purely as a wireless bridge.

Connectivity Options

The device offers a single RJ‑11 jack for optional telephone line integration, supporting VoIP or traditional analog connections if needed. No USB ports are present, keeping the design focused on networking rather than peripheral connectivity.

Software and Firmware Updates

Huawei provides firmware updates that enhance security, add new features, and improve stability. Users can access the web interface via a browser to configure settings, monitor traffic, or perform factory resets using the dedicated reset button.

Ideal Use Cases

• Home Office: Reliable 4G backup for remote work when wired internet fails.
• Travel Companion: Portable hotspot that can be set up in hotels or cafés without needing a separate device.
• Small Business: Simple, cost‑effective router that supports VPN and secure Wi‑Fi for employees.

Conclusion

The Huawei B311-221 4G Wireless LTE Router delivers a balanced mix of mobile connectivity, wired performance, and robust security in a sleek white design. Its single‑band Wi‑Fi, Gigabit Ethernet port, and dual SIM capability make it a versatile solution for anyone needing dependable internet access on the go or at home.