Exterior
Mi Router 4A
specifications

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)

Software
specifications

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

Product
accessories

user manual (includes warranty card)1

product power supply (12V/0.6A)1

Operating
environment

Operating temperature0–40°C

Operating humidity10%–90% RH (no condensation)

Storage temperature -40–70°C

Storage humidity5%–90% RH (no condensation)

Package contents

Router

User manual

Power cable(12V/0.6A)