Xiaomi MiWiFi 4AC International (R4AC) 100M

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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
WikiDevi.wi-cat.ru
3rd Party Firmware
dd-wrt
Status Unknown
OpenWrt
Tomato any flavor
Incompatible
Gargoyle
Status Unknown
Platform
BrandModelRev
Xiaomi MiWiFi 4AC International (100M}
Model Part Number
R4AC
FCC ID
Type
wireless router
CPU1
MediaTek MT7628DAN
CPU1 Speed
575 MHz
Flash1 Chip
Brand? Model?
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
64 MiB67,108,864 B <br />524,288 Kib <br />65,536 KiB <br />512 Mib <br />0.0625 GiB <br />
RAM1 Chip
Brand? Model?
ETH chip1
MediaTek MT7628DAN
Switch
MediaTek MT7628DAN
Ethernet Port Count
1-100MbE-WAN
2-100MbE-LAN
Wired Standard
IEEE 802.3i/3u

802dot11 OUI: none specified

Stock bootloader
U-Boot
Expansion IF types
none specified
Power
12 VDC, 1 A
Serial Port (UART)
yes, 3.3, (115200 8N1)
Other
3rd Party Firmware Support
OpenWrt • (List | Dev | DLs)
Radio 1
Chip1
MediaTek MT7628DAN
Wireless interface OUI
none specified
Antenna Connector Type
none specified
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
none specified
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
 FCC ID
Xiaomi MiWiFi 4A (100M)2AFZZR4AC
 CPU1 brandRadio1 chip1 brandRadio2 chip1 brand
Xiaomi MiWiFi 4 Pro (R1350)Qualcomm AtherosQualcomm AtherosQualcomm Atheros
Xiaomi MiWiFi 4AMediaTekMediaTekMediaTek
Xiaomi MiWiFi 4A (100M)MediaTekMediaTekMediaTek
Xiaomi MiWiFi 4A v2MediaTekMediaTekMediaTek
Xiaomi MiWiFi 4AC International (R4AC) 100MMediaTekMediaTekMediaTek

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
OpenWrt Target: ramips
OpenWrt Subtarget: mt76x8
OpenWrt Package architecture: mipsel_24kc
Support started version: 22.03.0
Current supported version: 23.05.3

Please insert instructions here