Product Summary

The GR91 is an ultra miniature 13 * 15 * 2.2 mm GPS engine board designed by low power consumption SiRF GPS solution. The GR91 provides superior sensitivity up to -159dBm and fast Time-To-First-Fix in navigation application. The applications of the GR91 are Automotive and Marine Navigation, Automotive Navigator Tracking, Emergency Locator, Geographic Surveying, Personal Positioning, Sporting and Recreation, Embedded applications: Smart phone, UMPC, PND, MP4.

Parametrics

GR91 absolute maximum ratings: (1)Operating Temperature:-40 to +85℃; (2)Storage Temperature: -40 to +85℃; (3)Processor Type ARM7TDMI; (4)Processor Speeds: 50 MHz; (5)Interface CMOS: 2.85 V Level.

Features

GR91 features: (1)small form factor: 13* 15 * 2.2 mm; (2)RoHS/WEEE compliant; (3)High sensitivity -159 dBm; (4)Tracking up to 20 Channel of satellites; (5)Fast Position Fix; (6)Low power consumption; (7)RTCM-in ready; (8)Built-in WAAS/EGNOS/MSAS Demodulator; (9)Support NMEA0183 V 3.0 ASCII data protocol; (10)Real time navigation for location based services.

Diagrams

GR91 block diagram