The BC-337 has an exceptional sensitivity which makes it ideal for detailed turn-by-turn mapping. It is an inexpensive, flexible alternative to traditional navigation systems. The BC-337 is truly transportable. Insert it into your PDA and place it in a convenient spot in your car and enjoy the benefits of using your additional mapping software for intelligent route calculation and voice-prompted, turn-by-turn navigation instructions. Standard package includes: BC-337 CF GPS Software Driver Applications: for car navigation, marine navigation, fleet management, AVL, personal navigation, tracking system, and mapping devices. Features: CFA compliant. Within SiRF Star III/LP low power All-in-View high performance 20-parallel channels. Support Standard NMEA 0183 command: GGA, GSA, GSV, RMC, GLL, VTG. SingleSat updates in reduced visibility. Superior urban canyon performance. FoliageLock for weak signal tracking. Specifications: Frequency: L1, 1575.42MHz Channel: 20 channels all-in-view tracking Chipset: SiRF Star III Interface: Compact Flash Type I Position Accuracy: 10 meters, 2D RMS, (No SA). 5 meters, 2D RMS, (WAAS enabled). Datum: WGS-84 Acquisition Rate: Hot Start: 1 sec. average Warm Start: 38 sec. average Cold Start: 42 sec. average Reacquisition Time: 0.1 sec. average Protocol: GPS output data: NMEA 0183 protocol, supports command GGA (1 sec), GSA (1 sec), GSV (5 sec), RMC (1 sec), (VTG and GLL are optional). Baud Rate: 4800 bps,N,8,1 Dynamic Condition Maximum Altitude: 18,000 meters (60,000 feet) max. Maximum Velocity: 515 meter/sec. (1,000 knots) max. Power: Voltage: DC 3.3 V ± 10% Power consumption: 90 mA Physical characteristics: Antenna Type: Built in antenna External Antenna Interface: MMCX (Optional) Dimension: 83 mm x 42.8 mm x 13.3 mm LED Indicator: GPS fix status. (blinking light: GPS is fix, solid light: GPS is not fix.) Temperature: Operating: -10°C to +70°C Storage: -40°C to +80°C Operation Humidity: 95%, Non- Condensing