Increase Wi-Fi TX Power / Signal Strength
USE this command to check your current dbs :-
iwconfig
example -
root@rockstardevil:~# iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11 ESSID:"devilzlinux.blogspot.com"
Mode:Managed Frequency:2.427 GHz Access Point: D2:99:K2:54:DC:17
Bit Rate=65 Mb/s Tx-Power=20 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=49/70 Signal level=-61 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:18 Invalid misc:15 Missed beacon:0
current dbm showing 20 now we are going to increase to 30dbm . if it increased dbm 30 than your router signal also inceased to max..
USE these command to increase
example -ifconfig wlan0 down
iw reg set US
iwconfig wlan0 txpower30
ifconfig wlan0 up
you can see it inceased 30 dbmroot@rockstardevil:~# ifconfig wlan0 down
root@rockstardevil:~# iw reg set US
root@rockstardevil:~# iwconfig wlan0 txpower 30
root@rockstardevil:~# ifconfig wlan0 up
root@rockstardevil:~# iwconfig
lo no wireless extensions.
eth0 no wireless extensions.
wlan0 IEEE 802.11 ESSID:"devilzlinux.blogspot.com"
Mode:Managed Frequency:2.427 GHz Access Point: D2:99:K2:54:DC:17
Bit Rate=65 Mb/s Tx-Power=30 dBm
Retry short limit:7 RTS thr:off Fragment thr:off
Encryption key:off
Power Management:off
Link Quality=51/70 Signal level=-59 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:10 Missed beacon:0
byROCKSTARDEVIL