Exterior
Mi Router 4ASpecifications
Dimensions
188 mm x 100.5 mm x 175 mm
Product color
White
Processor
MT7628DA
ROM
16MB
Internal memory
64MB
2.4GHz Wi-Fi
2×2 (supports the IEEE 802.11n protocol, maximum possible speed of 300Mbps)
5GHz Wi-Fi
2×2 (supports the IEEE 802.11ac protocol, maximum possible speed of 867Mbps)
Product antennas
4 external omnidirectional antennas (two 2.4GHz antennas with maximum gain of 5dBi; two 5GHz antennas with maximum gain of 6dBi)
Product heat dissipation
Natural heat dissipation
Total interfaces
Two 10/100M self-adaptive LAN ports (Auto MDI/MDIX) One 10/100M self-adaptive WAN port (Auto MDI/MDIX)
LED indicator lights
2
System reset buttons
1
Power input interface
1
Protocol standards
IEEE 802.11a/b/g/n/ac, IEEE 802.3/3u
Certification standards
GB9254-2008 YD/T993-1998 GB4943.1-2011
Warranty information
1 year whole device warranty
Wireless specifications
Dual band
2.4GHz 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)
wifi transmission power
CE EIRP：
<20dBm(2.4GHz)
<23dBm(5GHz)
Software specifications
Operating system
Mi Wi-Fi ROM intelligent router operating system based on a highly customized version of OpenWRT
Wireless security
WPA-PSK/WPA-PSK2 encryption, wireless access control (blacklist and whitelist), SSID hiding, smart unauthorized access prevention
Management Application
Supports web, Android, and iOS
Product accessories
1 x user manual (includes warranty card) 1 x product power supply (12V/0.6A)
Operating environment
Operating temperature: 0–40°C
0–40°C
Operating humidity
10%–90% RH (no condensation)
Storage temperature
-40–70°C
Storage humidity:
5%–90% RH (no condensation)
Package contents
Router
User manual
Power cable
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