hello there , first of all i want to say that i am new here and in linux world so be pacient with me ...

i have a notebook where i install the kali linux

Distributor ID: Kali
Release: 1.1.0
Codename: moto
3.14-kali1-686-pae GNU/Linux


i had wifi usb adapter "Alfa awus036h" that i use in my backtrack system and work nice with out problems

i connected to my note and kali see the adapter , i connected in my wifi and all work perfect ... BUT ..

when i try to change the TX-Power there i have problem the commands

#iw reg set BO

#ifconfig wlan1 down

#iwconfig wlan1 txpower 25

but the iwconfig give TX-Power=20 dBm


i try any info that i found in internet but nothing happen ... the other think is that i cant change the power management

#iwconfig wlan1 power on
Error for wireless request "Set Power Management" (8B2C) :
SET failed on device wlan1 ; Operation not supported.

in rfkill list all is no


#lsusb
Bus 004 Device 006: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter

#airmon-ng
wlan1 Realtek RTL8187L rtl8187 - [phy2]


i dont know what else to try before put the adapter to trash and buy a new one ... when i connected back to backtrack the adapter work and configured properly

anyone to help me ???

thanx