TP-LINK TL-MR3420 v1

multiple revisions of this device, use caution

bgn (N300)
300Mbps Wireless N 3G Router
Homepage	Product page
Wikipedia	TP-Link
InfoDepot Wiki	TP-Link TL-MR3420
3rd Party Firmware
dd-wrt	Supported
OpenWrt	Supported
Tomato any flavor	Incompatible
Gargoyle	Status Unknown
Platform
Brand • Model • Rev	TP-LINK TL-MR3420 v1
FCC ID	TE7MR3420
Board ID	20503420-1.0
Type	wireless router
CPU1	Atheros AR7241
CPU1 Type	MIPS 24Kc
CPU1 Speed	400 MHz
Flash1 Chip	Macronix MX25L3206E
Flash1 Size	4 MiB4,194,304 B <br />32,768 Kib <br />4,096 KiB <br />32 Mib <br />0.00391 GiB <br />
RAM1 Size	32 MiB33,554,432 B <br />262,144 Kib <br />32,768 KiB <br />256 Mib <br />0.0313 GiB <br />
RAM1 Chip	SK hynix HY5DU561622FTP-D43
ETH chip1	Atheros AR7241
Switch	Atheros AR7241
Ethernet Port Count	1-100MbE-WAN 4-100MbE-LAN
Wired Standard	IEEE 802.3/3u
802dot11 OUI: none specified Ethernet OUI: 90:F6:52 (7 E, 10 W), F4:EC:38 (7 E, 7 W)
Expansion IF types	USB 2.0
USB ports	1
USB Hub Compatible	Untested
Power	12 VDC, 1 A
Connector type	barrel
Serial Port (UART)	yes, 3.3V TTL
Flags: 3G capable
Other
Default IP address: 192.168.1.1 the IP 192.168.1.1 is used by 1324 additional devices of which 111 are TP-LINK devices Default login user: admin Default login password: admin admin:admin credentials used by 1342 additional devices of which 280 are TP-LINK devices
Manuf/OEM/ODM	Proware
3rd Party Firmware Support	DD-WRT • (List) , OpenWrt • (List | Dev | DLs)
Retail
FCC approval date	05 May 2010
Country of manuf	China
Radio 1
Chip1	Atheros AR9287
Wireless interface OUI	none specified
Antenna Connector Type	RP-SMA
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
CPU1 brand Radio1 chip1 brand Radio1 chip2 brand TP-LINK TL-MR3420 v1 Atheros Atheros TP-LINK TL-MR3420 v2 Atheros Atheros TP-LINK TL-MR3420 v5 MediaTek MediaTek

For a list of all currently documented Atheros (QCA) chipsets with specifications, see Atheros.

For a list of all currently documented TP-LINK device with specifications, see TP-LINK.

• 300 Mbps - 2SS 2.4GHz 802.11n (40MHz chan.) = N300 class

Overview

"20503420-1.0" and "Rev:1.0sp1" is silkscreened on the board.

"2050500114" and "Rev:1.0" is silkscreened on a v1.2 model.

Links of Interest

Firmware

• on DD-WRT forums
• TP-LINK TL-MR3420 on DD-WRT forums
• TP-LINK TL-MR3420 on OpenWrt wiki

Hardware Info
Model:		MR3420			MR3420
Version:	1/1.1/1.2		2.3
Manufacturer:	Atheros 		Atheros
Bootloader:	U-Boot			U-Boot
Architecture:	MIPS 24Kc		MIPS 74Kc
System-On-Chip:	Atheros AR7241@400MHz	Atheros AR9341@535MHz
Flash chip:	Macronix MX25L3206E/	Winbond W25Q32BV/
		cFeon F32-100HIP	Spansion FL032PIF
Flash size:	4 MiB 			4 MiB
RAM chip:	Zentel A3S56D40FTP-G5	Winbond W9425G6JH-5
RAM size:	32 MiB	 		32 MiB
Wireless:	Atheros AR9287 (2T2R)	Atheros AR9341 (2T2R)
Antenae(s):	2 Removables x 3dBi	2 Removables x 3dBi
Ethernet:	4x LAN, 1x WAN 10/100	4x LAN, 1x WAN 10/100
USB:		1 x 2.0 		1 x 2.0

Flashing

Flashing dd-wrt

Supported by dd-wrt as of = tl-mr3420v1 build 19327 20120606

Please insert instructions here

Flashing OpenWrt

On the OpenWrt ToH (techdata entry)
On the OpenWrt Wiki
Support started version: 10.03.1
Current supported version: ?

Please insert instructions here