● Hardware configuration
● Processor: MT7628DA
● Internal memory: 64MB DDR2
● 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
● 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 setting 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
● Warranty information: 1-year whole device warranty