TP-Link普聯TL-WN722N無線網卡驅動介紹：

TL-WN722N還使用了CCA（Clear Channel Assessment）空頻道檢測技術，在檢測到周邊有無線信號干擾時，可自動調整頻寬模式，避開信道干擾，TP-Link普聯TL-WN722N無線網卡驅動使無線信號更加穩定。下面是安裝過程：root@bt:~#lsusb02Bus 001 Device 003: ID 0cf3:9271 Atheros Communications， Inc. AR9271 802.11n03Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub04Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub05root@bt:~#mkdir ar927106root@bt:~#cdar9271/07root@bt:~/ar9271#git clone git://git.kernel.org/pub/scm/linux/kernel/git/dwmw2/linux-firmware.git08root@bt:~/ar9271#cp ./linux-firmware/ar9271.fw /lib/firmware09root@bt:~/ar9271#wgethttp://wireless.kernel.org/download/compat-wireless-2.6/compat-wireless-2.6.tar.bz210root@bt:~/ar9271#tar -jxvf compat-wireless-2.6.tar.bz211root@bt:~/ar9271#cdcompat-wireless-2010-10-04/12root@bt:~/ar9271/compat-wireless-2010-10-04#./scripts/driver-select ath9k_htc13Processing new driver-select request…14Backing up makefile: Makefile.bk15Backup exists: Makefile.bk16Backup exists: Makefile.bk17Backing up makefile: drivers/net/wireless/Makefile.bk18Backing up makefile: drivers/net/wireless/ath/Makefile.bk19Backing up makefile: net/wireless/Makefile.bk20Backing up makefile: drivers/net/Makefile.bk21Backing up makefile: drivers/ssb/Makefile.bk22Backing up makefile: drivers/misc/eeprom/Makefile.bk23root@bt:~/ar9271/compat-wireless-2010-10-04#make24root@bt:~/ar9271/compat-wireless-2010-10-04#make install25root@bt:~/ar9271/compat-wireless-2010-10-04#cd~/ar9271/26root@bt:~/ar9271#reboot重啟后，用iwconfig就能看到wlan0了。usb 1-1: ath9k_htc: Firmware - ar9271.fw not found（我的opensuse顯示的是htc_9271.fw not found，那就在下面的網址中找htc_9271.fw即可）如果是這個not found錯誤，那說明你沒有把 ar9271.fw 拷貝到 /lib/firmware 下面。TP-Link普聯TL-WN722N無線網卡驅動 v1.0 官方版使用說明這款驅動是普聯TL-WN722NV1.0版USB無線網卡的最新驅動，新增了對Windows8系統的支持。

ar9271.fw（或htc_9271.fw） 的來源，可以直接到下載，不過只能通過raw下載，否則下載的文件大小都是0字節的。tp link wn722n驅動是專為普聯tp link wn722n打造的無線網卡驅動程序，用戶安裝好驅動以后，就可以讓無線網正常的使用了，歡迎大家到網站下載體驗！