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ET-333 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 (31mm * 31 mm * 7.6mm) suitable for space-sensitive application
5. Support NMEA 0183 and SiRF binary protocol
6. Build-in SuperCap to reserve system data for rapid satellite acquisition.
7. Cold start under 40 seconds, average
8. Hot start under 1 seconds, average 
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: 3.8V +- 6.5V DC input
Power consumption: 70mA (Continuous mode)
60mA (Trickle power mode)

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

Antenna
Active or Passive Antenna

Enviromental

Operating Temp: -40°C to +85°C