dam@dam-desktop:~$ ndiswrapper -l
netwg111 : driver installed
        device (0846:4240) present (alternate driver: prism54usb)
dam@dam-desktop:~$ lsusb
Bus 005 Device 008: ID 0846:4240 NetGear, Inc. WG111 WiFi (v2)

dam@dam-desktop:~$ sudo airmon-ng start wlan0

usage: airmon-ng <start|stop> <interface> [channel]

Interface       Chipset         Driver

wlan0           Unknown         ndiswrapper (MONITOR MODE NOT SUPPORTED)

dam@dam-desktop:~$ iwconfig wlan0 mode monitor channel 1
Error for wireless request "Set Mode" (8B06) :
    SET failed on device wlan0 ; Operation not permitted.