i actually have to praise AVM (or whoever contributed/did it) for releasing free (OpenSource) drivers for this WIFI Adapter. GOOD JOB!

WORKS LIKE A CHARM!

Bus 002 Device 005: ID 057c:8401 AVM GmbH Fritz!WLAN N [Atheros AR9001U]

# per default
dmesg
[ 4.524068] usbcore: registered new interface driver carl9170
[ 4.524190] usb 2-6: firmware: failed to load carl9170-1.fw (-2)
[ 4.524245] usb 2-6: Direct firmware load failed with error -2
[ 4.524247] usb 2-6: Falling back to user helper

apt-get install firmware-linux-free; # installs the missing firmware

reboot; # do a reboot

after reboot you should have a running WIFI Adapter 🙂

linux-debian-setup-wlan-adapter-wifi-fritz-wlan-usb-stick-n

https://wiki.debian.org/carl9170

https://wireless.wiki.kernel.org/en/users/drivers/carl9170

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