HOLUX GR91

SIRF GPS模组

Product Description

GR-91 is an ultra miniature 13 * 15 * 2.2 mm GPS engine board 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 PDA, PND, mobile phone and Digital Camera for GPS service.
Key Features
· small form factor: 13* 15 * 2.2 mm
· RoHS/WEEE compliant
· High sensitivity -159 dBm
· Tracking up to 20 Channel of satellites
· Fast Position Fix
· Low power consumption
· RTCM-in ready.
· Built-in WAAS/EGNOS/MSAS Demodulator.
· Support NMEA0183 V 3.0 ASCII data protocol.
· Real time navigation for location based services.
· For Car Navigation, Marine Navigation, Fleet Management, AVL and Location-Based Services, Auto Pilot, Personal Navigation or touring devices, Tracking devices/systems and Mapping devices application
General Features
GPS technology SiRF GPS chipset
Frequency L1, 1575.42 MHz
C/A Code 1.023 MHz chip rate
Channels 20 channels all in view tracking
Sensitivity Better than -159 dBm
Receiver Accuracy (Follow SiRF chip specification)
Position
Without aid: 10 M 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 ＜0.1sec.
Protocol
GPS Output Data
NMEA0183 (V3.0 ASCII) - 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 1 Hz (default)
Protocol Support NMEA-0183
1PPS Enable (1 Hz pulse 10% duty cycle)
Limitations (Follow SiRF chip specification)
Acceleration Limit ＜4G
Altitude Limit ＜18000 meters
Velocity Limit ＜515 M/sec
Jerk Limit 20 M/sec3
Power
Operation Current Acquisition: 25 mA@3.3V
Operation Current Tracking: 24 mA@3.3V
Trickle Power Mode
Tracking: 6.5 mA@3.3V, 500ms on Duty Cycle 3 sec
DC Input Range
VCC_IN:2.95~6.0V
V_BAT:1.36~6.0V
Processing Core
Processor Type ARM7TDMI
Processor Speeds 50 MHz
Interface CMOS 2.85 V Level
Temperature
Operating Temperature -40 to +85
Storage Temperature -40 to +85
Operating Humidity 5% to 95%, Non condensing
Physical
Dimension: 13 * 15 * 2.2 mm.
Weight: <2g.