How to!! Connect up to 500m Wireless Accress Point with 1Watt ALFA 802.11g wireless USB adapter

Hi all, i have got a new wonderful gadget. it is a very powerful USB Wireless adapter. It is Alfa (AWUS036H) 802.11g wireless USB adapter. The adapter is come with an RP-SMA antenna connector so that you can add an external antenna to boost your wireless range and signal and to make things better. The high power 1000mW can increase the receive signal range and the 9dBi antenna can increase the signal strength. So if you are looking for a device to connect to an indoor / outdoor wireless signal. This is your perfect solution.

As many hacker know that this series of Alfa USB wireless adapter in come with RTL8187L chip. It meant that they can use this powerful USB wireless to hack for a long distance.

if you would like to learn how to hack wireless. you should get one of this and Google “Alfa backtacker” you will find something interesting!!



  • IEEE 802.11g/b, WPA/WPA2 Compliant, Attachable Antenna
  • Connects at a full 54Mbps via USB 2.0, up to 8 times faster than a USB 1.1 adapter
  • High gain upgradeable
  • Compact size for greater flexibility
  • Also compatible with USB 1.1 desktop and notebook computers
  • Plug-and-Play Compatible with windows 98SE, 2000, Millennium, XP and Linux
  • High security 64/128/256bit WEP Encryption, TKIP, WPA, 802.11
  • Dimention :8.5*2.2*6.3cm
  • Weight :38.5g


  • Standards : IEEE 802.11b and IEEE 802.11g
  • Interface: USB 2.0 mini USB
  • Data Rate:
    • IEEE 802.11b: 1, 2, 5.5, 11Mbps
    • IEEE 802.11g: 6, 9, 12, 18, 24, 36, 48, 54Mbps
  • Transmit Power: 30 dBm +/- 1dBm
  • Range Coverage:
    • Indoor 100~200 meters
    • Outdoor 300~500meters
  • Frequency Band : 2.412GHz – 2.484GHz ISM band
  • Transmitter Power: 1000mW max.
  • Sensitivity for 802.11b:
    • 1, 2 Mbps (BPSK, QPSK): – 96dBm
    • 11 Mbps (CCK): -91dBm
    • (Typically @PER < 8% packet size 1024 and @25°C ± 5°C)
  • Sensitivity for 802.11g:
    • 54Mpbs (64QAM): -76dbm
    • 48Mbps (64QAM): -71dbm
    • 36Mpbs (16QAM): -78dbm
    • 24Mbps (16QAM): -80dbm
    • 18Mbps (QPSK): -81dbm
    • 12Mpbs (QPSK): -82dbm
    • 9Mbps (BPSK): -85dbm
    • 6Mbps (BPSK): -91dbm
    • (typically @PER < 10% packet size 1024 and @25°C ± 5°C)
  • Data Modulation Type: BPSK,QPSK, CCK and OFDM
  • Security: 64/128bit WEP, Wi-Fi Protected Access WPA, WPA-PSK, WPA2
  • Supporting O.S.:
    • Windows 2000 / XP / Vista
    • Mac v10.4 and later
    • Linux 2.6

About the Author: Phattharabophit Nanongkha

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