SiRFstarIV GPS chipset, L1,1575.42MHZ

GPS-GR-91

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  • Small form factor: 13* 15 * 2.2 mm

  • RoHS/WEEE compliant

  • High sensitivity -159dBm

  • Tracking up to 20 channels of satellites

  • Fast Position Fix

  • Low power consumption

  • RTCM-in ready

  • Built-in WAAS/EGNOS/MSAS Demodulator.

  • Support NMEA0183 V 3.01 ASCII data protocol.

  • Real time navigation for location based services.

Features
  • Small form factor: 13* 15 * 2.2 mm
  • RoHS/WEEE compliant
  • High sensitivity -159dBm
  • Tracking up to 20 channels of satellites
  • Fast Position Fix
  • Low power consumption
  • RTCM-in ready
  • Built-in WAAS/EGNOS/MSAS Demodulator.
  • Support NMEA0183 V 3.01 ASCII data protocol.
  • Real time navigation for location based services.
View detail

GR-91 is an ultra miniature 13 * 15 * 2.2 mm GPS module designed by low power consumption SiRF GPS solution. It provides superior sensitivity up to -159dBm and fast Time-To-First-Fix in navigation application. The stable performance of GR-91 is your best choice to be embedded in your portable device design, like PDAPND, mobile phone, digital camera for GPS service.

 

 

General

GPS technology: SiRF GPS chipset

Frequency: L1,1575.42MHZ

C/A Code: 1.023MHZ chip rate

Channels: 20 channels all in view Tracking

Sensitivity: Better than -159 dBm

 

Receiver Accuracy(Follow SiRF chip specification)

Position: Without aid:10M 2D-RMS

 

DGPS(WAAS, EGNOS, MSAS, RTCM):1-5 M

Velocity: Without aid:0.1 M/sec

Time: 0.1μs. Sync GPS time

 

Datum

Datum: WGS84(Default)

Time to First Fix(Follow SiRF chip specification)

Hot start: 1 sec. average

Warm start: 38 sec. average

Cold start: 42 sec. average

Reacquisition: <0.1 sec

 

Protocol

GPS Output Data: NMEA0183(v3.1)- 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: 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: 25mA@3.3V

Operation Current: Tracking:24mA@3.3V

DC Input Range: VCC_IN: 2.95~6.0V

 

                        V_BAT:1.36~6.0V

 

Processing Core

Processor Type: ARM7TDMI

Processor Speeds: 50 MHz

 

Temperature

Operating: -40℃ to +85℃

Storage: -40℃ to 85℃

Operating Humidity: 5% to 95%,No condensing

 

Physical

Dimension: 13 * 15 * 2.2 mm.

Weight: < 2g.

 

 

 

 

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