Model: GD75 - Color: Blue - Material: PVC shell - USB version: 2.0 - Allows you to carry a GPS receiver and use it on your laptop whenever and wherever you travel - Install your favorite NMEA compliant navigation software on your laptop turn your laptop into a powerful navigation system - Supports SBAS: WAAS + EGNOS - Frequency: L1 / 1575.42 MHz - Channels: Acquire and track 54 satellites and 16 time-frequency search bins - Sensitivity Tracking: -159dBm - Acquisition Rate: Hot start < 2 sec; warm start < 29sec; cold start < 33sec - Baud Rate: 9600 bps - Working temperature: -10'~70'C - Package includes: - 1 x GPS USB Receiver Dongle - 1 x Software CD - 1 x USB extension cable - 1 x English manual