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TP-Link TL-WDR3320

Dual Band (concurrent) and 100mbps Ethernet. Advertised as 600 Mbps it is Dual-Stream (2x2) on the 2.4 Ghz Band and Dual-Stream (2x2) on the 5 Ghz Band.

Supported Versions

Version/Model Release Date OpenWrt Version Supported Model Specific Notes
2.0 2013/?? Barrier Breaker (latest trunk) Similar to TP-Link TL-WDR3500


Architecture: MIPS MIPS 74Kc
Vendor: Qualcomm Atheros
Bootloader: U-Boot *** How to upgrade ***
System-On-Chip: AR9344 v3 (MIPS)
CPU/Speed 560 MHz
Flash size: 4096 KiB
RAM: 64 MiB
Wireless: Atheros AR9345 5GHz 802.11an Atheros AR9287 2.4GHz 802.11bgn
Ethernet: Atheros AG71xx: eth0, eth1
Switch: AR934X built-in switch
USB: NO (But mod is possible to 1 x 2.0
Port Switch port
LAN 1 4
LAN 2 3
LAN 3 2
LAN 4 1

The "Ports" above are the port numbers as designated on the case.

Factory Restore

This section describes actions that might damage your device or firmware. Proceed with care!

With the TL-WR842ND router, there is a catch: the stock firmware is obtained from the OEM:

The OpenWRT firmware is now in progress on

But it seems the offical firmware comes with a different RSA signature, so the head of modded OpenWRT firmware is different that can only be write with a third-party u-boot or a SPI programmer, but not the offical flash web pages.

The modded source code is here:

toh/tp-link/tl-wdr3320.txt · Last modified: 2014/05/21 13:55 by abraxas