- Globalsat GPS receiver- Compact- SiRF StarII/LP low power chipset- Built-in active antenna- High sensitivity to satellite signal- 12 Channels "All-in-view" tracking- Superior urban canyon performance- Foliagelock for weak signal tracking- Support NMEA 0183 V 2.2 protocol- Supported command, GGA, GLL, VTG, RMC, GSA, GSV- More position fixes in an urban canyon or dense foliage environment- Built-in super capacitor to reserve system data for rapid satellite acquisition- Easy plug into with notebook PC or PDA- Super-cohesive magnetic for mounting on car- LED indicator for GPS fix or not fix- Non-slip base- RS232 Interface with PSII connector - Output message NMEA 0183 V2.2 protocol, and supports command: GGA, GLL, VTG, RMC, GSA, GSV- 12 Parallel channels- Frequency 1575.42 mHz- Hot start 8 seconds, average- Warm start 38 seconds, average- Cold start 45 seconds, average- 18,000 meter altitude limit- Re-acquisition 100ms- Velocity limit 515 meters/secUSGBR305