my wireless usb adapter connect to net but the signal is very weak
i have wireless usb adapter rtl8187 from micromax company
my proplem is the signal is very weak and i cannot open website
can i increase the signal ?
iwconfig
Code:
lo no wireless extensions.
eth0 no wireless extensions.
wmaster0 no wireless extensions.
wlan0 IEEE 802.11bg ESSID:"Dentistry"
Mode:Managed Frequency:2.412 GHz Access Point: 00:90:D0:F7:10:72
Bit Rate=24 Mb/s Tx-Power=20 dBm
Retry long limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality=39/70 Signal level=-71 dBm
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
eth1 unassociated Mode:Managed Frequency=2.412 GHz
Access Point: Not-Associated Bit Rate:0 kb/s Tx-Power=20 dBm
Sensitivity=8/0
Retry limit:7 RTS thr:off Fragment thr:off
Power Management:off
Link Quality:0 Signal level:0 Noise level:0
Rx invalid nwid:0 Rx invalid crypt:0 Rx invalid frag:0
Tx excessive retries:0 Invalid misc:0 Missed beacon:0
information about my adapter
Code:
lsusb
Bus 002 Device 002: ID 15ca:00c3 Textech International Ltd. Mini Optical Mouse
Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 001 Device 003: ID 0bda:8187 Realtek Semiconductor Corp. RTL8187 Wireless Adapter
Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
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