General
GPS technology: MTK GPS chipset
Frequency: L1,1575.42MHZ
C/A Code: 1.023MHZ chip rate
Channels: 32 channels all in view searching
Sensitivity: Batter than -159dBm
Receiver Accuracy
Position: Without aid:3.0 M 2D-RMS
DGPS(WAAS, EGNOS, MSAS, RTCM):2.5 M
Velocity: Without aid:0.1 M/sec
Time: 0.1 microsecond. Sync GPS time
Datum
Datum: WGS84(Default) total 219 datum's
Time to First Fix(Follow MTK chip specification)
Hot start: 1 sec average
Warm start: 33 sec average
Cold start: 36 sec average
Reacquisition: ＜1sec
Protocol
GPS Output Data: NMEA0183(v3.1)-
GGA,GLL,GSA,GSV,RMC,VTG Support Baud rate 4800/9600/�/57600 bps (default 4800), Data bit:8,Stop bit:1 Update Rata: 1Hz(default)
Protocol Support: NMEA-0183
1PPS:
Enable (1Hz pulse 10% duty cycle)
Limitations
Acceleration Limit: ＜4G
Altitude Limit: ＜18000 meters
Velocity Limit: ＜515 M/sec
Jerk Limit: 20 M/sec3
Power
Operation Current: Acquisition: 65mA,3.3V
Operation Current: Tracking:＜45mA,3.3V
DC Input Range: VCC 3.0~5.0V
VBAT 3.0~5.0V
Processing Core
Processor Type: ARM7EJ-S
Processor Speeds: 48 MHz
Integrated program Flash: 4 MHz
Interface: CMOS 2.8 V Level
Temperature
Operating: -40°C to 85
Storage: -40°C to 125
Operating Humidity: 5% to 95,No condensing
Physical
Dimension: 13 x 15 x 2.2 mm.(W x D x H)
Weight: 2g.