TomTom MKII Wireless GPS Receiver is the best companion for your Laptopt/Netbook or Bluetooth enabled Tablet and Smartphone. It will make your tablet or netbook a 10" GPS system. http://www.pocketgpsworld.com/tomtom-bt-gps-mkii.php Chipset: SiRF Star III Frequency: L1, 1575.42MHz C/A Code: 1.023 MHz Chip Rate Channels: 20 channel all-in-view tracking Tracking sensitivity: -159dBm Update rate: 1Hz Cold start: <1 minute typical Warm start: <30 seconds typical Hot start: <10 seconds typical Reacquisition time: <1 second from max 30second blockage Datum: WGS-84 Protocol: NMEA 0183 Version 2.2 Antenna: Built-in omnidirectional antenna Comes with GPS receiver and USB charging cable. Bluetooth dongle is available for $5 if your Laptop/Netbook is not equipped with Bluetooth. USB car power adapter is available for $5 if your car is not equipped with USB charging port. Pickup available in downtown Ottawa, Kanata and Barrhaven.