Download Ambicom gps-cf drivers in AmbiCom BT-GPS Signal Diagnostic for WM , Ambicom GPS-CF Driver For PDA And Laptop, Ambicom GPS-CF PRO. Installation: 1. Extract the zip to a known location. 2. Insert the GPS-CF card into your computer. 3. When Windows Add New Hardware Wizard request for the. Do you have to do this every time you turn on the PDA, plug in the CF GPS, the Billionton/Ambicom GPS-CF review to include a note about the lack of WAAS mode To monitor SBAS activity, you'll need a to use a laptop and run SiRF demo.