TP-Link TL-WN722NC (WiFi, 150 Mbps, USB)

Network TP-Link, USB, WiFi

TP-Link TL-WN722NC (WiFi, 150 Mbps, USB)
Linux compatibility:
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TP-Link TL-WN722NC 
Minimum: $ 15.00 
Maximum: $ 58.70  
Updated: 28/06/2016 02:53

Review of Linux Compatibility

The TP-Link TL-WN722NC is a USB WiFi adapter including a docking station. The identical USB stick is also sold without the docking station, but under the nameTL-WN722N. The USB stick has the USB ID 0cf3:9271

Bus 001 Device 003: ID 0cf3:9271 Atheros Communications, Inc.

and is supported by Linux via the kernel module ath9k_htc. This module is part of the kernel’s wireless driver package. If it is not already included in the used distribution it can be downloaded and compiled:

tar -jxvf compat-wireless-2.6.tar.bz2
cd compat-wireless-2012-04-26/
./scripts/driver-select ath9k_htc
make install

A firmware file is necessary to use the TL-WN722NC. This file is available at There, on can find the files htc_9271.fw and htc_7010.fw which are needed for the chip sets AR9271 and AR7010 of the TL-WN722NC, respectively. These files have to be copied to /lib/firmware. Afterwards, the kernel can automatically initialize the drivers if the TL-WN722NC is plugged in:

ath9k 0000:05:00.0: PCI INT A -> GSI 17 (level, low) -> IRQ 17
ath9k 0000:05:00.0: setting latency timer to 64
ath: EEPROM regdomain: 0x6a
ath: EEPROM indicates we should expect a direct regpair map
ath: Country alpha2 being used: 00
ath: Regpair used: 0x6a
ieee80211 phy0: Selected rate control algorithm 'ath9k_rate_control'
Registered led device: ath9k-phy0
usb 2-1.1: ath9k_htc: Transferred FW: htc_9271.fw, size: 51272
ath9k_htc 2-1.1:1.0: ath9k_htc: HTC initialized with 33 credits
ath9k_htc 2-1.1:1.0: ath9k_htc: FW Version: 1.3
ath: EEPROM regdomain: 0x809c
ath: EEPROM indicates we should expect a country code
ath: doing EEPROM country->regdmn map search
ath: country maps to regdmn code: 0x52
ath: Country alpha2 being used: CN
ath: Regpair used: 0x52
Registered led device: ath9k_htc-phy1
usb 2-1.1: ath9k_htc: USB layer initialized
usbcore: registered new interface driver ath9k_htc

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