Xiaomi MiWiFi 4A

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multiple revisions of this device, use caution
abgn+ac (AC1200)
High-Speed Dual Band AC1200 Router
Xiaomi MiWiFi 4A.png
Homepage
3rd Party Firmware
dd-wrt
Status Unknown
OpenWrt
Tomato any flavor
Incompatible
Gargoyle
Status Unknown
Platform
BrandModelRev
Xiaomi MiWiFi 4 AG
FCC ID
Type
wireless router
Series
MiWiFi
CPU1
CPU1 Type
MIPS 1004Kc
CPU1 Speed
880 MHz ( 2 cores ) 16-bit
Flash1 Chip
GigaDevice GD25Q127CSIG
Flash1 Size
16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br />
RAM1 Size
128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br />
RAM1 Chip
ESMT M15T1G1664A-AZC1
ETH chip1
Switch
Ethernet Port Count
1-1GbE-WAN
2-1GbE-LAN
Wired Standard
IEEE 802.3i/3u/3ab

802dot11 OUI: none specified

Stock bootloader
U-Boot
Stock FW OS
Linux 3.10.14
Expansion IF types
none specified
Power
12 VDC, 1 A
Connector type
barrel
Serial Port (UART)
yes, 4-pad header, J4
Other

Default SSID: Xiaomi_XXXX (20 addl. devices)
, Xiaomi_XXXX_5G (17 addl. devices)
Default IP address: 192.168.31.1
the IP 192.168.31.1 is used by 21 additional devices
of which 20 are Xiaomi devices

Manuf/OEM/ODM
3rd Party Firmware Support
OpenWrt • (List | Dev | DLs)
Retail
FCC approval date 14 April 2021
(Est.) release date May 2018
Country of manuf China
Radio 1
Chip1
MediaTek MT7603EN
Wireless interface OUI
none specified
Antenna Connector Type
soldered
MIMO status
2x2:2
Wireless Standard
IEEE 802.11b/g/n
802.11n
up to 300 Mbps
802.11g
up to 54 Mbps
802.11b
up to 11 Mbps
WiFi Operating Frequency
2.4 GHz
Radio 2
Chip1
MediaTek MT7612EN
Wireless interface OUI
none specified
Antenna Connector Type
soldered
MIMO status
2x2:2
Wireless Standard
IEEE 802.11a/n/ac
802.11ac
up to 867 Mbps
802.11n
up to 300 Mbps
802.11a
up to 54 Mbps
WiFi Operating Frequency
5 GHz
 CPU1 brandRadio1 chip1 brandRadio2 chip1 brand
Xiaomi MiWiFi 4 Pro (R1350)Qualcomm AtherosQualcomm AtherosQualcomm Atheros
Xiaomi MiWiFi 4AMediaTekMediaTekMediaTek

For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.

For a list of all currently documented Xiaomi device with specifications, see Xiaomi.

867 Mbps - 2SS 5GHz 802.11ac (80MHz chan.),
300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = AC1200 class

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki
On the OpenWrt Forum
Support started version: 21.02.0
Current supported version: 23.05.2

Please insert instructions here

Pictures

User Images