SiRFstarIV GPS chipset, L1,1575.42MHZ

GPS-GR-91S4

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  • SiRFstarIV GSD4e platform with SiRFaware GPS technology

  • Full support for client-based and server-based SiRFInstantFix™

  • Small form factor: 13* 15 * 2.2 mm

  • RoHS/WEEE compliant

  • High sensitivity navigation engine (PVT) tracks as low as -163dBm

  • 48 track verification channels

  • Fast Position Fix

  • Low power consumption

  • Active Jammer Remover:



  • ‧Removes in-band jammers up to 80 dB-Hz

  • ‧Tracks up to 8 CW jammers‧

  • Support SBAS(WAAS or EGNOS)

Features
  • SiRFstarIV GSD4e platform with SiRFaware GPS technology
  • Full support for client-based and server-based SiRFInstantFix™
  • Small form factor: 13* 15 * 2.2 mm
  • RoHS/WEEE compliant
  • High sensitivity navigation engine (PVT) tracks as low as -163dBm
  • 48 track verification channels
  • Fast Position Fix
  • Low power consumption
  • Active Jammer Remover:
  • ‧Removes in-band jammers up to 80 dB-Hz
  • ‧Tracks up to 8 CW jammers‧
  • Support SBAS(WAAS or EGNOS)
View detail

GR-91S4 is an ultra miniature 13 * 15 * 2.2 mm GPS module designed by low power consumption SiRFstarIV solution. It provides superior sensitivity up to -163dBm and fast Time-To-First-Fix in navigation application. The stable performance of GR-91S4 is your best choice to be embedded in your portable device design, like PDAPNDmobile phoneDigital Camera for GPS service.

 

 

General

GPS technology: SiRFstarIV GPS chipset

Frequency: L1,1575.42MHZ

C/A Code: 1.023MHZ chip rate

Channels: 48 track verification channels

Sensitivity: Navigation-160dBm ,Tracking -163 dBm

 

Receiver Accuracy(Follow SiRFstarIV chip specification)

Position: Without aid:2.5 M

Velocity: Without aid:0.01 M/sec

 

Datum

Datum: WGS84(Default)

Time to First Fix(Follow SiRFstarIV chip specification)

Hot start: <1 sec

Warm start: <35 sec

Cold start: <35 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

 

 

Update Rata: 1Hz(default)

Protocol Support: Support NMEA-0183 and SiRF Binary protocols.

                        Default: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

Acquisition: 50mA/1.8V(TBD)

Tracking: <42mA/1.8V(TBD)

DC Input Range: VCC_IN:3.0~6.0V

 

Processing Core

Processor Type: ARM7TDMI

 

Temperature

Operating: -30℃ to +85℃

Storage: -40℃ to 85℃

Operating Humidity: 5% to 90%

 

Physical

Dimension: 13 * 15 * 2.2 mm.

Weight: < 2g.

 

 

 

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