Antenna for Aluminum PowerBooks by QuickerTek, Inc. - (View article)
Apple.com
An external Apple Airport antenna for the 15-inch and 17-inch aluminum PowerBook G4s. It can easily double and triple the signal strength. The antenna includes detailed installation instructions that make it easy for most users to quickly improve wireless signal strength. QuickerTek also includes a CD containing software for wireless system performance measurement. This antenna is ideal for those users who are in environments where obstacles and other characteristics reduce wireless performance. [More]