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ET-314 GPS Engine Board

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Feature

1. SiRF starIII high performance GPS Chip Set 
2. Very high sensitivity (Tracking Sensitivity: -159 dBm) 
3. Extremely fast TTFF (Time To First Fix) at low signal level 
4. Compact size (25.4mm * 25.4 mm * 3.3mm) suitable for space-sensitive application 
5. One size component, easy to mount on another PCB board 
6. Support NMEA 0183 and SiRF binary protocol 
Specification
General
Chipset: SiRF StarIII
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, 2D 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 **3

Power
Main power input: 3.3V +- 5% DC input
Power consumption: 68mA (Continuous mode)

Interface
Dimension: 25.4mm * 25.4 mm * 3.3mm
Baud rate: 4,800 to 57,600 bps adjustable
Output message: SiRF binary or
NMEA 0183 GGA, GSA, GSV, RMC, VTG, GLL