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Device: TP-Link TL-MR3420 v1, v1.1, v1.2, v1.3

Last Updated: 06/07/2025 08:13:50 UTC

Specifications

Device Type WiFi Router
CPU model Atheros AR7241
CPU cores 1
CPU clock frequency (Mhz) 400
Flash Storage (MB) 4
Memory (MB) 32
1G Ethernet Ports None
2.5G Ethernet Ports None
5G Ethernet Ports None
Modem None
VLAN Yes
WLAN Chipset Atheros AR9287
WLAN 2.4GHZ b/g/n
WLAN 5GHZ None
USB ports 1x 2.0
Bluetooth None
Bootloader U-Boot
Power Supply 12 VDC, 1.0 A
Switch Atheros AR7241
Serial Yes
Serial Connection 115200 / 8N1
Button Count 2
LED Count -
FCCID https://fcc.io/TE7/MR3420
OEM Hompage https://www.tp-link.com/en/download/TL-MR3420_V1.html
OEM Firmware https://www.tp-link.com/en/download/TL-MR3420_V1.html
Wiki Devi https://wikidevi.wi-cat.ru/TP-LINK_TL-MR3420_v1

OpenWRT

Supported Version Current 17.01.7
Supported Version Since 10.03.1
Forum Topic -
Firmware URL https://downloads.openwrt.org/releases/17.01.7/targets/ar71xx/generic/lede-17.01.7-ar71xx-generic-tl-mr3420-v1-squashfs-factory.bin
Firmware Upgrade URL https://downloads.openwrt.org/releases/17.01.7/targets/ar71xx/generic/lede-17.01.7-ar71xx-generic-tl-mr3420-v1-squashfs-sysupgrade.bin
Install Method GUI OEM, U-Boot TFTP + serial recovery, see devicepage
Package Architecture mips_24kc
Target ar71xx-ath79
Subtarget generic