GPS Engine Board M-9129
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2.3 Specification
General
(Follow MTK chip specification)
GPS technology MT3329
GPS chipset
Frequency L1,1575.42 MHz
C/A Code 1.023 MHz chip rate
Channels 66 parallel searching,22 tracking channels
Sensitivity - 165 dBm (Tracking)
Receiver Accuracy
(Follow MTK chip specification)
Position
Without aid:3.0 M 2D-RMS
DGPS(WAAS, EGNOS, MSAS, RTCM):2.5 M
Velocity Without aid:0.1 M/sec
Time 0.1µs. Sync GPS time
Datum
Datum WGS84(Default) total 219 datum’s
Time to First Fix
(Follow MTK chip specification)
Hot start < 1 sec.
Warm start < 33 sec.
Cold start < 35 sec.
Reacquisition
<
1sec.
Protocol
GPS Output Data
NMEA0183(V3.01)- GGA,GLL,GSA,GSV,RMC,VTG
Support Baud rate 4800/9600/…./115200 bps (default
4800), Data bit:8 , Stop bit:1, No parity.
Update Rata 1 Hz(default)
Protocol Support NMEA-0183
1PPS
Enable(1 Hz pulse 10% duty cycle)
Limitations
(Follow MTK chip specification)
Acceleration Limit
<
4G
Altitude Limit
<
18000 meters
Velocity Limit
<
515 M/sec
Jerk Limit 20 M/sec
3
Power
Operation Current Acquisition
42
≒
Operation Current Tracking:
<
DC Input Range
VCC_IN: 3.3~4.2V
V_BAT : 2.0~4.2V