Product information: HWU54D Hi-Gain USB Wireless-G AdapterHawking Technology's HWU54D, 2.4Ghz Hi-Gain Directional Wireless-G USB 2.0 Network Adapter, combines the range performance benefits of a Hi-Gain Antenna, the versatility of a USB Wireless Network Adapter and the speed of 802.11g wireless networking! A large problem with many wireless networks is the poor coverage area of standard Wireless networks. Hawking solves this problem with a Hi-Gain Wireless-G USB 2.0 Adapter that uses an external Hi-Gain antenna to amplify a strong wireless signal to your wireless access point. By increasing the strength of your external wireless antenna, your Wireless Network distance, signal strength and performance is significantly improved. Simply attach the Hi-Gain Wireless Adapter's USB 2.0 Cable to either your PC or Laptop and direct the antenna towards your wireless access point/wireless router. The HWU54D is self powered and requires no external power adapter, so you can take it wherever you go and always stay connected!