GlobalSat BU-353 Waterproof USB GPS Receiver

Features: * SiRF Star III High Performance GPS chipset - WAAS * High sensitivity (Tracking Sensitivity: -159 dBm) * Extremely fast TTFF (Time To First Fix) at low signal level * Support NMEA 0183 data protocol * Built-in SuperCap to reserve system data for rapid satellite acquisition * Built-in patch antenna * Super-cohesive magnetic for mounting on the car * USB interface connection port * Waterproof and non-slip on the bottom * LED indicator for GPS fix or not fix LED OFF: Receiver switch off LED ON: No fix, signal searching LED Flashing: Position fixed Specifications: * Chipset: SiRF Star III v3.1.1 firmware WAAS Enabled * Frequency: L1, 1575.42 MHz * C/A code: 1.023 MHz chip rate * Channels: 20 channel all-in-view tracking * Sensitivity: -159 dBm * Accuracy Position: 10 meters, 2D RMS ~ 5 meters, 3D RMS WAAS enabled * Velocity: 0.1 m/s * Time: 1us synchronized to GPS time Datum: * Default: WGS-84 Acquisition Time: * Reacquisition: 0.1 sec., average * Hot start: 1 sec., average * Warm start: 38 sec., average * Cold start: 42 sec., average Dynamic Conditions: * Altitude: 18,000 meters (60,000 feet) max * Velocity: 515 meters /second (1000 knots) max * Acceleration: Less than 4g * Jerk: 20m/sec Power: * Main power input: 4.5V ~ 6.5V DC input * Power consumption: 80mA * Protocol Electrical level: TTL level, * Output voltage level: 0V~2.85V * Baud rate: 4,800 bps * Output message: NMEA 0183 GGA, GSA, GSV, RMC, VTG, GLL Physical Characteristics: * Dimension: 53mm diameter, 19.2mm height * Cable length: 65" * Operating temperature: -40C to +85C