Holux GPS module GR-91S4
Overview
·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 PDA, PND, mobile phone, Digital Camera for GPS service.
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)
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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