Xiaomi Wireless Router 4A Gigabit AC1200 dual-band WLAN router

Slow, unreliable Wi-Fi can cripple your daily digital life—from laggy video calls to buffering streams and dropped connections in every corner of your home. The Xiaomi Wireless Router 4A Gigabit solves this with powerful dual-band AC1200 performance and four high-gain antennas that blanket your space in fast, stable coverage.

Who is it for

Perfect for households and small offices that demand smooth 4K streaming, online gaming, and seamless browsing on multiple devices simultaneously. If you have a broadband plan up to 1 Gbps, this router ensures you get every megabit you pay for.

Main features

• Dual-band Wi-Fi: 2.4 GHz (300 Mbps) + 5 GHz (867 Mbps) for combined speeds up to 1167 Mbps
• Four external high-gain antennas with beamforming for wide, focused coverage
• Gigabit WAN and LAN ports for full-speed wired connections
• Powerful dual-core processor with 128 MB RAM for smooth multitasking
• Easy setup and management via the Mi WiFi app

Specifications

• Wi-Fi standard: IEEE 802.11ac/a/b/g/n (Wi-Fi 5)
• Processor: MediaTek MT7621A dual-core 880 MHz
• Memory: 128 MB DDR3 RAM, 16 MB NOR flash
• Ports: 1x Gigabit WAN, 2x Gigabit LAN
• Security: WPA-PSK, WPA2-PSK
• Power input: 12V / 1A
• Operating modes: Router, AP mode
• MIMO: 2x2 (both bands)

Tips

Place the router in a central, elevated location away from thick walls and metal objects for optimal coverage. Use the 5 GHz band for high-bandwidth activities like gaming and streaming, and reserve 2.4 GHz for smart home devices. Regularly update firmware via the Mi WiFi app to keep your network secure and performant.