Confiabits MT7981

From TechInfoDepot
Jump to navigationJump to search
abgn+ac+ax (AX3000)
WiFi Router
Homepage Product page
3rd Party Firmware
dd-wrt Status Unknown
OpenWrt Supported
Tomato any flavor Incompatible
Gargoyle Status Unknown
Platform
Brand • Model • Rev Confiabits MT7981
FCC ID none specified
Type wireless router
CPU1 checkY MediaTek MT7981B
CPU1 Type ARM Cortex-A53
CPU1 Speed 1.3 GHz ( 2 cores ) 64-bit
Flash1 Chip Brand? Model?
Flash1 Size 128 MiB 134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (SPI NAND)
RAM1 Size 256 MiB 268,435,456 B <br />2,097,152 Kib <br />262,144 KiB <br />2,048 Mib <br />0.25 GiB <br />
RAM1 Chip Brand? Model?
ETH chip1 MediaTek MT7981B
Switch MediaTek MT7531AE
Ethernet Port Count 4-1GbE-LAN
Wired Standard IEEE 802.3i/3u/3ab

802dot11 OUI: 00:0C:43 (5 E, 19 W)
Ethernet OUI: 00:0C:43 (5 E, 19 W)

Stock bootloader U-Boot
Expansion IF types USB 2.0
USB ports 1
USB Hub Compatible Untested
Power 12 VDC, 1.5 A
Connector type barrel
Serial Port (UART) yes, 3.3V TTL, (115200 8N1)
Other
3rd Party Firmware Support OpenWrt • (List | Dev | DLs)
Radio 1
Chip1 MediaTek MT7981B
Chip2 MediaTek MT7976CN
Wireless interface OUI 00:0C:43
Antenna Connector Type none specified
MIMO status 2x2:2
Wireless Standard IEEE 802.11b/g/n/ax
802.11ax up to 574 Mbps
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 MT7981B
Chip2 MediaTek MT7976CN
Wireless interface OUI 00:0C:43
Antenna Connector Type none specified
MIMO status 2x2:2
Wireless Standard IEEE 802.11a/n/ac/ax
AX-QAM up to 2402 Mbps
802.11ax up to 1201 Mbps
802.11ac up to 867 Mbps
802.11n up to 300 Mbps
802.11a up to 54 Mbps
WiFi Operating Frequency 5 GHz

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

• 574 Mbps - 2SS 2.4GHz 802.11ax (40MHz chan., 1024QAM),
• 2402 Mbps - 2SS 5GHz 802.11ax (160MHz chan., 1024QAM) = AX3000 class

Flashing

Flashing OpenWrt

Target: mediatek
Subtarget: filogic
Package architecture: aarch64_cortex-a53
Supported Since Commit
Support started version: 23.05.2
Current supported version: 25.12.5
LAN Hardware: MediaTek MT7531AE
WLAN Hardware: MediaTek MT7981B, MediaTek MT7976CN
Installation method(s):
see git-commit
Recovery method(s):
see git-commit
git • >>
mediatek: add support for Confiabits MT7981
Confiabits MT7981 is a Wi-Fi 6 router based on MediaTek MT7981.

Specification:
 - SoC: MediaTek MT7981B
 - CPU: 2x 1.3 GHz Cortex-A53
 - Flash: 128 MiB SPI NAND
 - RAM: 256 MiB
 - WLAN: 2.4 GHz, 5 GHz (MediaTek MT7976CN, 802.11ax)
 - Ethernet: 4x 10/100/1000 Mbps MT7531AE (3xLAN, 1xWAN)
 - USB 2.0 port
 - Buttons: 1 Reset button, 1 Mesh button.
 - LEDs: 7x light-blue, 2x warm-white
 - Serial console: internal 4-pin header, 115200 8n1
 - Power: 12 VDC, 1.5 A

MAC addresses in stock firmware and in this commit:
+---------+-------------------+-----------+
|         | MAC               | Algorithm |
+---------+-------------------+-----------+
| WAN     | 00:0c:43:xx:xx:e1 | label+1   |
| LAN     | 00:0c:43:xx:xx:e0 | label     |
| WLAN 2g | 00:0c:43:xx:xx:e0 | label     |
| WLAN 5g | 02:0c:43:xx:xx:e0 |           |
+---------+-------------------+-----------+
The label MAC was found in 'Factory', 0x4

Installation:
The stock firmware is OpenWrt-based. If you can reach LuCI or SSH, just use the sysupgrade image
with the 'Keep settings' option turned off.

Signed-off-by: Luis Mita