Satguide brings you the GoGPS Kit fir better tracking and navigation. The kit includes SiRF Bluetooth Receiver and Satguide CD with preferential maps. The Bluetooth receiver is the size of a matchbox and works in tandem with a wide array of devices including laptops, cell phones, smartphones, PDAs tablets etc. It acts as a receiver of GPS signals from satellites and then sends these sends signals to the Bluetooth connected device to provide your exact location. The SatGuide GoGPS Kit can accurately pinpoint your location within 10m. The high-performance, high-sensitivity device can be effectively used in any weather condition too.