产品描述
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: <35mA@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: -40centigrade; To 85
Storage: -40centigrade to 125centigrade
Operating Humidity: 5% to 95,
No condensing Physical
Dimension: 25.4 x 25.4 x 3 mm. (W x D x H)
Weight: 3G.
产品图片
图 1
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