Keenetic KN-3711 (Sprinter)

abgn+ac+ax (AX3000)
AX3000 Mesh Wi-Fi 6 Gigabit Router/Extender
Homepage	Product page
3rd Party Firmware
dd-wrt	Status Unknown
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	Keenetic KN-3711 (Sprinter)
FCC ID	none specified
Type	range extender
CPU1 Y	MediaTek MT7981BA
CPU1 Type	ARM Cortex-A53
CPU1 Speed	1.3 GHz ( 2 cores ) 64-bit
Flash1 Chip	Winbond W25N01GV
Flash1 Size	128 MiB134,217,728 B <br />1,048,576 Kib <br />131,072 KiB <br />1,024 Mib <br />0.125 GiB <br /> (SPI NAND)
RAM1 Size	518 MiB543,162,368 B <br />4,243,456 Kib <br />530,432 KiB <br />4,144 Mib <br />0.506 GiB <br /> (DDR4)
RAM1 Chip	Brand? Model?
ETH chip1	MediaTek MT7981BA
Switch	MediaTek MT7531AE
Ethernet Port Count	1-1GbE-WAN 3-1GbE-LAN
Wired Standard	IEEE 802.3i/3u/3ab
Port-based vlan	yes
802.1q vlan	yes
802dot11 OUI: none specified
Stock bootloader	U-Boot
Expansion IF types	none specified
Power	12 VDC, 1 A
Connector type	barrel
Serial Port (UART)	yes, 3.3V TTL, (115200 8N1)
Flags: Wi-Fi 6
Other
3rd Party Firmware Support	OpenWrt • (List | Dev | DLs)
Radio 1
Chip1	MediaTek MT7981BA
Chip2	MediaTek MT7976CN
Wireless interface OUI	none specified
Antenna Connector Type	MHF4
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 MT7981BA
Chip2	MediaTek MT7976CN
Wireless interface OUI	none specified
Antenna Connector Type	MHF4
MIMO status	2x3:2
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.

For a list of all currently documented Keenetic devices with specifications, see Keenetic.

• 574 Mbps - 2SS 2.4GHz 802.11ax (40MHz chan., 1024QAM),

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

Flashing

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)

Target: mediatek
Subtarget: filogic
Package architecture: aarch64_cortex-a53
Supported Since Commit
Support started version: unknown
Current supported version: snapshot

LAN Hardware: MediaTek MT7531AE
WLAN Hardware: MediaTek MT7976CN
WLAN Comment: 2.4GHz 2x2, 5GHz 3x3
Installation method(s):
see git-commit
Recovery method(s):
see git-commit

git • >>

mediatek: filogic: add Keenetic Sprinter (KN-3711) support Specification: SoC: Mediatek MT7981BA RAM: 512 MB DDR4 RAM Flash: Winbond W25N01GV 128 MB SPI-NAND (dual boot on OEM) WiFi: MT7976CN DBDC AX Switch: MediaTek MT7531AE (3x LAN Gigabit ports) + Internal Gbe Phy (1x WAN Gigabit port) GPIO: 4x LED (power, internet, fn, wifi), 2x buttons (wps, reset), 1x switch (mesh) UART Interface: Pins: VCC, TX, RX, NC, GND Settings: 115200, 8N1 Flashing via TFTP: 1. Connect your PC and router to the first LAN port, configure PC interface using IP 192.168.1.2, mask 255.255.255.0 2. Save the factory image of the OpenWRT firmware, renamed to KN-3711_recovery.bin, on the TFTP server 3. Hold the reset button and power up the device 4. Keep the button pressed until the status LED starts blinking Signed-off-by: Vladimir Epifantsev Link: https://github.com/openwrt/openwrt/pull/19633 Signed-off-by: Hauke Mehrtens