ET-312 gprs module

ET-312 gprs module

SiRF StarIII GPS Chipset with a compact size (27.9mm*20 mm*2.9mm) suitable for space-sensitive application

Feature
1.SiRF starⅢ 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 : -30℃ to +85℃

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ET-312

ET-312 gprs module Images