Xiaomi Router 4A

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Xiaomi Router 4A
4 omnidirectional external antennas
64 MB memory for stable operation
Control remotely via app
Unauthorized access prevention
Large memory Stable connection
Parental Control

Xiaomi Router 4A 








Dimensions :188 mm x 100.5 mm x 175 mm

Product color: White

Processor: MT7628DA

Internal memory: 64MB

2.4G Wi-Fi: 2×2 (supports the IEEE 802.11n protocol, maximum possible speed of 300Mbp

5G 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


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, iOS, and Android


Wireless specifications:

Dual band: 2.4GHz and 5GHz


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)

Product accessories:

1 x user manual (includes warranty card)

1 x product power supply (12V/0.6A)

Operating environment:

Operating temperature0–40°C

Operating humidity10%–90% RH (no condensation)

Storage temperature -40–70°C

Storage humidity5%–90% RH (no condensation)


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