General character:

•  MTK GPS chipset 
• Channels: 32 channels all in viewsearching 
• Sensitivity: Batter than -159dBm
•  Position: Without aid:3.0 M2D-RMS 
• Dimensions: 13 x 15 x 2.2 mm.(W x D xH)
•  Frequency: L1,1575.42MHZ 
• C/A Code: 1.023MHZ chiprate  
•  Channels: 32 channels all in viewsearching  
•  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 GPStime 
  

Datum:   

•  WGS84(Default) total 219datum’s
•  Time to First Fix(Follow MTK chipspecification
• Hot start: 1 secaverage  
•  Warm start: 33 sec average 
• Cold start: 36 secaverage  
•  Reacquisition: <1sec 
• GPS Output data: NMEA0183(v3.1)-GGA,GLL,GSA,GSV,RMC,VTGSupport Baud rate 4800/9600/.57600 bps (default 4800), Databit:8,Stop bit:1  Update Rata: 1Hz(default) 
  Protocol Support: NMEA-0183  1PPS:  Enable (1Hzpulse 10% duty cycle) 
• Limitations 
• Acceleration Limit:<4G  
•  Altitude Limit: <18000 meters 
• Velocity Limit: <515 M/sec 
• Jerk Limit: 20M/sec3  

 Power  

• Operation Current: Acquisition: 65mA3.3V   
•  Operation Current: Tracking:<45mA3.3V   
•  DC Input Range: VCC3.0~5.0V  
•   VBAT 3.0~5.0V  
  
•    ProcessingCore  
• Processor Type:ARM7EJ-S  
•  Processor Speeds: 48MHz                 
•   Integrated program Flash: 4MHz              
•   Interface: CMOS 2.8 VLevel              
•  Temperature                  
•  Operating: -40 C to85               
•  Storage: -40 C to125                 
•   Operating Humidity: 5% to 95,Nocondensing