Model Name: XIAOMI MI 4A

Specification :

• Dimensions: 188 mm x 100.5 mm x 175 mm
• Product Color: White
• Processor: MT7628DA
• ROM: 16MB
• Internal Memory: 64MB
• 2.4GHz Wi-Fi: 2x2 (supports IEEE 802.11n protocol, max speed 300Mbps)
• 5GHz Wi-Fi: 2x2 (supports IEEE 802.11ac protocol, max speed 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

• 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)
• Wi-Fi Transmission Power:
  • CE EIRP: <20dBm (2.4GHz)
  • CE EIRP: <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

• Operating Environment
• Operating Temperature: 0–40°C
• Operating Humidity: 10%–90% RH (no condensation)
• Storage Temperature: -40–70°C
• Storage Humidity: 5%–90% RH (no condensation)