Mi Router 4A

Dimensions188 mm x 100.5 mm x 175 mm

Product colorWhite

Processor MT7628DA

Internal memory64MB

2.4G Wi-Fi2x2 (supports the IEEE 802.11n protocol, maximum possible speed of 300Mbp

5G Wi-Fi2x2 (supports the IEEE 802.11ac protocol, maximum possible speed of 867Mbps)

Product antennas4 external omnidirectional antennas (two 2.4GHz antennas with maximum gain of 5dBi; two 5GHz antennas with maximum gain of 6dBi)

Product heat dissipationNatural heat dissipation

Total interfacesTwo 10/100M self-adaptive LAN ports (Auto MDI/MDIX)
One 10/100M self-adaptive WAN port (Auto MDI/MDIX)

LED indicator lights2

System reset buttons1

Power input interface1

Protocol standardsIEEE 802.11a/b/g/n/ac, IEEE 802.3/3u

Certification standardsGB9254-2008, YD/T993-1998, GB4943.1-2011

Warranty information1 year whole device warranty

Wireless specifications

Dual band2.4GHz and 5GHz

Modulation 11b: DSSS: DBPSK (1Mbps), DQPSK (2Mbps), CCK (5.5/11Mbps)
11a/g: OFDM: BPSK (6/9Mbps), QPSK (12/18Mbps), 16QAM (24/36Mbps),
64QAM (48/54Mbps)
11n: MIMO-OFDM: BPSK, QPSK, 16QAM, 64QAM. Rate set: MCS0 to MCS15
11ac: MIMO-OFDM: BPSK, QPSK, 16QAM, 64QAM, 256QAM. Rate set:
MCS0 to MCS9 (supports 2 streams)


Operating system Mi Wi-Fi ROM intelligent router operating system based
on a highly customized version of OpenWRT

Wireless securityWPA-PSK/WPA-PSK2 encryption, wireless access control
(blacklist and whitelist), SSID hiding, smart unauthorized access prevention

Management applicationSupports web, iOS, and Android


user manual (includes warranty card)1

product power supply (12V/0.6A)1


Operating temperature0–40°C

Operating humidity10%–90% RH (no condensation)

Storage temperature -40–70°C

Storage humidity5%–90% RH (no condensation)

Package contents


User manual

Power cable(12V/0.6A)