Mi Router 4A AC1200 Dual Band Router
The Mi Router 4A is designed for users who need a stable dual-band Wi-Fi router for home browsing, streaming, gaming, smart devices, and everyday internet use.
Its strongest selling point is not only the 1167Mbps theoretical speed. The real value is the combination of dual-band Wi-Fi, 4 external antennas, 64MB memory for stable multi-device connections, app control, parental controls, and unauthorized access alerts.
Key Features
- AC1200 dual-band Wi-Fi router
- Up to 1167Mbps theoretical wireless speed
- 2.4GHz and 5GHz dual-band connection
- 4 external omnidirectional antennas
- 64MB memory for stable device connectivity
- Supports up to 64 connected devices under test conditions
- Smart Connect support
- Integrated signal amplifier
- LDPC error correction on 5GHz band
- Mi WiFi app remote control
- Unauthorized access alerts
- Parental control features
- Device management and speed limit control
- Wi-Fi optimization tools
- Healthy mode to schedule Wi-Fi off time
Wi-Fi Performance
AC1200 Dual-Band Speed
The router supports up to 1167Mbps theoretical wireless speed, combining 300Mbps on 2.4GHz and 867Mbps on 5GHz.
2.4GHz Band
The 2.4GHz band provides better wall penetration and wider coverage, making it useful for rooms farther from the router.
5GHz Band
The 5GHz band supports faster speeds with less interference, making it better for HD streaming, online gaming, and high-speed browsing.
Smart Connect
One Wi-Fi Name
Smart Connect combines the 2.4GHz and 5GHz bands under one Wi-Fi name.
Real Buyer Benefit
Users do not need to manually choose between networks. Compatible devices can automatically connect to the more suitable band.
Signal Coverage
4 External Antennas
The 4 omnidirectional antennas help improve signal strength and coverage across the home.
Integrated Signal Amplifier
The wireless chipset includes PA and LNA support to improve signal transmission power and reception sensitivity, helping extend Wi-Fi coverage and wall penetration.
Stable Multi-Device Use
64MB Memory
The router includes 64MB memory to help maintain stable data transmission and device connectivity.
Device Capacity
Supports stable connection for up to 64 devices under test conditions.
This makes it suitable for homes with phones, laptops, tablets, smart TVs, cameras, speakers, and smart-home devices.
App Control & Security
Mi WiFi App
The Mi WiFi app allows users to manage the router remotely, check connected devices, optimize Wi-Fi, and control access.
Unauthorized Access Prevention
When an unknown device connects, the app can send an alert so the user can block it.
Device Management
Users can control how long devices stay connected and limit speeds to reduce congestion.
Parental Control
Online Time Management
Parents can manage how long children’s devices can stay online.
Website Access Control
The router can help control which websites connected devices can access.
Reliability & Cooling
Dual Cooling Fin Heat Sinks
The internal cooling structure helps reduce chip temperature and improve system stability during use.
LDPC Error Correction
The 5GHz band supports LDPC error correction to improve anti-interference performance and transmission stability.
Technical Specifications
Brand
Xiaomi
Product Type
Dual-band Wi-Fi router
Model
Mi Router 4A
Wireless Standard
AC1200
Maximum Wireless Speed
Up to 1167Mbps theoretical speed
2.4GHz Speed
Up to 300Mbps
5GHz Speed
Up to 867Mbps
Antennas
4 external omnidirectional antennas
Memory
64MB
Device Capacity
Up to 64 devices under test conditions
App Support
Mi WiFi app
Smart Features
Smart Connect, Wi-Fi optimization, parental control, device management, unauthorized access prevention