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Products > GPS Module > SiRF GPS solution

 Overview
 

HOLUX GR-87 is a high performance, low power consumption, small size, very easy integrated GPS module designed for a broad spectrum of OEM system applications. This product is based on the proven technology found in other HOLUX 20 channel GPS receivers and SiRFstar III chipset solution. The GPS module will track up to 12 satellites at a time while providing fast time-to-first-fix and one-second navigation updates. Its far reaching capability meets the sensitivity requirements of car navigation as well as other location-based applications. Therefore, HOLUX GR-87 module is very fit to the customers who devote themselves to AVL system integration and location-based service.

The GR-87 design utilizes the latest surface mount technology (BGA) and high level circuit integration to achieve superior performance while minimizing space and power requirements. This hardware capability combined with software intelligence makes the board easy to be integrated and used in all kinds of navigation applications or products. The application system may communicate with the module set via two RS232 compatible bi-directional communication channels with CMOS/CMOS 3V voltage level.

 Features
Build on high performance SiRF StarIII chipset.
Average Cold Start time and under 45 seconds.
Low power consumption
20 channels “All-in-View” tracking.
200,000+ effective correlators for fast TTFF and high sensitivity acquisitions
Integrated ARM7TDMI CPU with software engineering services and available for embedded customer defined applications.
 
On chip 1Mb SRAM.
Dual TTL level serial ports with one for GPS receiver command message interface, another one for RTCM-104 DGPS input.
 
Compact Board Size 1"x1"x0.27"(25.4x25.4x7mm) for easy integration into hand-held device.
Reacquisition Time 0.1 seconds
Support Standard NMEA-0183 and SiRF Binary protocol
Support Accurate 1PPS Output Signal Aligned with GPS Timing
Multi-path Mitigation Hardware
On-board RTCM SC-104 DGPS and WAAS /EGNOS Demodulator
Built-in a lithium battery make GPS fast positioning

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