This is a mirror of discontinued 'WikiDevi'. Enjoy!
Xiaomi MiWiFi 4A
Xiaomi MiWiFi 4A
Availability: Now
(Est.) release date: May 2018
Country of manuf.: China
Type: wireless router
Power: 12 VDC, 1 A
Connector type: barrel
CPU1: MediaTek MT7621AT (880 MHz, 2 cores)
FLA1: 16 MiB16,777,216 B <br />131,072 Kib <br />16,384 KiB <br />128 Mib <br />0.0156 GiB <br /> (GigaDevice GD25Q127CSIG)
RAM1: 128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (ESMT M15T1G1664A-AZC1)
Expansion IFs: none specified
Serial: yes, 4-pad header, J4
WI1 chip1: MediaTek MT7603EN
WI1 802dot11 protocols: bgn
WI1 MIMO config: ?x?:?
WI1 antenna connector: soldered
WI2 chip1: MediaTek MT7612EN
WI2 802dot11 protocols: an+ac
WI2 MIMO config: ?x?:?
WI2 antenna connector: soldered
ETH chip1: MediaTek MT7621AT
LAN speed: 1G
LAN ports: 2
WAN speed: 1G
WAN ports: 1
abgn+ac
Stock bootloader: U-Boot
Stock FW OS: Linux 3.10.14
Third party firmware supported: OpenWrt
Default SSID: Xiaomi_XXXX (14 addl. devices), Xiaomi_XXXX_5G (10 addl. devices)
Default IP address: 192.168.31.1
the IP 192.168.31.1 is used by 15 additional devices
of which 14 are Xiaomi devices
802dot11 OUI: none specified
| CPU1 brand | WI1 chip1 brand | WI2 chip1 brand | |
|---|---|---|---|
| Xiaomi MiWiFi (R1D) | Broadcom | Broadcom | Broadcom |
| Xiaomi MiWiFi (R2D) | Broadcom | Broadcom | Broadcom |
| Xiaomi MiWiFi 3 | MediaTek | MediaTek | MediaTek |
| Xiaomi MiWiFi 3A | MediaTek | MediaTek | MediaTek |
| Xiaomi MiWiFi 3C | MediaTek | MediaTek | |
| Xiaomi MiWiFi 3G | MediaTek | MediaTek | MediaTek |
| Xiaomi MiWiFi 4A | MediaTek | MediaTek | MediaTek |
| Xiaomi MiWiFi 4Q | Qualcomm Atheros | Qualcomm Atheros |
For a list of all currently documented MediaTek chipsets with specifications, see MediaTek.
Images
Front
Bottom and screws location
PCB without heatspreaders
EU power supply
