GPS Communicates with host platform via bluetooth (class 2) serial port profile Very low power consumption chipset Supports nmea 0183 command: gga (1), gsa (3), gsv (3), rmc (1), vtg (1) Gps/bluetooth/battery led indicators Built-in lithium-ion rechargeable battery operates up to 20 hours Warm start 38 sec, hot start 12 sec. Cold start 60 sec. Channels 16 all-in-view tracking Maximum altitude: 18, 000m Maximum velocity: 515 m/s Accuracy: 5m cep (50%), 9m (90%) Antenna type: built-in active antenna