M87 Mtk GPS Module

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: 65 mA,3.3V >>Operation Current: Tracking:＜45mA,3.3V >>Backup power 3V Rechargeable Lithium cell battery up to 500 hours discharge >>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 Temperature: -10℃ to +60℃ . >>Storage Temperature: -20℃ to +85℃. >>Operating Humidity: 5% to 95,No condensing >>Physical >>Dimension: 25.4 x 25.4 x 7 mm.(W x D x H) >>Weight: 7g. >>Interface: Connector 6-pin straight male header,1.25mm pitch