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ET-312 GPS Engine Board

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Feature

1.SiRF star III high performance GPS Chipset
2.Very high sensitivity (Tracking Sensitivity: -159 dBm)
3.Extremely fast TTFF (Time To First Fix) at low signal level
4.Compact size (27.9mm * 20 mm * 2.9mm) suitable for space-sensitive application.
5.One side component, easy to mount on another PCB board
6.Support NMEA 0183 and SiRF binary protocol
7. WAAS ENGOS is supported.
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

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 : 80mA (Continuous mode) ,65mA(Trickle power mode)

Interface 
Dimension : 27.9mm * 20mm * 2.9mm 
Baud rate : 4,800 to 57,600 bps adjustable 
Output message : SiRF binary or NMEA 0183 GGA, GSA, GSV, RMC 
Antenna : Active  
Environmental 
Operating Temp : -40ºC to +85ºC