Holux GPS module GR-91
Overview
·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 PDA, PND, mobile phone, digital camera for GPS service.
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.
·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
·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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