Hardware configuration:
Processor: MT7628DA
Internal memory: 64MB DDR2
2.4GHz: Integrated LNA and PA
5GHz: Not supported
Heat dissipation: Natural heat dissipation
Operating humidity: 10%–90% RH (no condensation)
Storage temperature: -40–70°C
Protocol standards:
IEEE 802.11b/g/n
IEEE 802.3/3u
ROM: 16MB NorFlash
2.4GHz Wi-Fi: 2x2 (supports IEEE 802.11N protocol, maximum possible speed of 300Mbps)
5GHz Wi-Fi: Not supported
Antennas: 4x external single band antennas
Operating temperature: 0–40°C
Storage humidity: 5%–90% RH (no condensation)
Certification standards:
GB9254-2008
YD/T993-1998
GB4943.1-2011
GB9254-2008
YD/T993-1998
GB4943.1-2011"

Hardware interface:
Two 10/100M self-adaptive LAN ports (Auto MDI/MDIX)
One system factory settings reset button
One orange/blue/purple system status light; one blue external network interface status light
One 10/100M self-adaptive WAN port (Auto MDI/MDIX)
One power input interface

Wireless Specifications:
single band: 2.4GHz
Modulation:
11b: DSSS: DBPSK (1Mbps), DQPSK (2Mbps), CCK (5.5/11Mbps)
11g: 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

Reception sensitivity: 11Mbps: ≤ -85dBm, 54Mbps: ≤ -72dBm, HT20 MCS7: ≤ -69dBm, HT40 MCS7: ≤ -66dBm

Software specifications:
Operating system: Mi Wi-Fi ROM intelligent router operating system based on a highly customized version of OpenWRT that supports web, Android, and iOS router management software
Wireless security: WPA-PSK/WPA2-PSK encryption, wireless access control (blacklist and whitelist), SSID hiding
Management application: Supports web, iOS, and Android

Package contents:
User manual
Power adapter
Mi Router 4C