Mi WiFi Router 4

• Colour:  White
• Size: 200 × 134.86 × 178.98mm
• Processor: MT7621A MIPS Dual Core 880MHz
• ROM: 128MB SLC Nand Flash
• RAM: 128MB DDR3-1200
• 2.4G WiFi: 2 X 2 (Support IEEE 802.11N protocol, up to 300Mbps)
• 5G WiFi: 2 X 2 (Support IEEE 802.11AC protocol, up to 867Mbps)
• Antennas: 4 omnidirectional antennas (2.4G x 2, maximum 5dBi; 5G x2, maximum 6 dBi)
• Heat dispersion: Fanless architecture
• Interface: 2x LAN port, 10/100/1000M (Auto MDI/MDIX) 1x WAN port, 10/100Mbps (Auto MDI/MDIX)
• LED indicator: Red/Blue/Yellow
• MiNET button: 1
• Reset button: 1
• Power port1
• Wi-Fi protocolsIEEE 802.11a/b/g/n/ac, IEEE 802.3/3u/3ab
• Certification standardGB9254-2008 YD/T993-1998 GB4943.1-2011

Operating frequency2.4GHz & 5GHz Radio channel2.4GHz Channel: 1,2,3,4,5,6,7,8,9,10,11,12,13 5GHz Channel: 36,40,44,48,52,56,60,64,149,153,157,161,165 Modulation type11b: 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~MCS1511ac:MIMO-OFDM:BPSK,QPSK,16QAM,64QAM,256QAM. Rate set: MCS0~MCS9 (Support 2 Spatial Streams) Receiver sensitivity11Mbps:≤-90dBm,54 Mbps:≤-72dBm,HT20 MCS7:≤-69dBm,HT40 MCS7:≤-66dBm,VHT20 MCS8:≤-65dBm,VHT40 MCS9:≤-60dBm,VHT80 MCS9:≤-58dBm Operating systemMiWiFi OS(Based on OpenWRT) Wireless encryptionWPA-PSK/WPA2-PSK encryption, wireless access control (black and white list), SSID hiding, intrusion detection, DoS protection, access control manager, SSID isolation CompatibilityWeb, Android, iOS User manual1 Power input(12V/1A) 1 Operating ambient temperature0~40°C Relative humidity10%~90% RH (noncondensing) Nonoperating temperature-40~70°C Storing humidity5%~90% RH (noncondensing)