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Deluo Electronics http://www.deluo.com
5
1 Introduction
1.1 Overview
The TISTAR25 GPS Receiver is intended for use in a wide range of applications. The receiver
simultaneously tracks up to twelve satellites, provides accurate satellite positioning data with
fast time-to-first-fix (TTFF) and low power consumption. It is designed for high performance
and maximum flexibility in a wide range of applications including mobile asset tracking,
in-vehicle automotive guidance, location sensing, telematics and so on. The highly integrated
receiver achieves high performance, minimizes board size and power consumption
requirements. The TISTAR25 is designed to withstand harsh operating environments; however,
it should be used inside an enclosure as a part of the application product designed by the
system integrator.
1.2 Features
The TISTAR25 GPS receiver offers following features:
! Twelve parallel tracking channels
! Fast TTFF and low power consumption
! Compact design suitable for applications requiring small space
! Differential correction using real-time RTCM SC-104 data
! On-board rechargeable battery sustained real-time clock and memory for fast satellite
reacquisition during power-up
! High accuracy one-pulse-per-second output
! Upgradeable firmware using flash-based program memory
! Supports NMEA-0183 protocol
! Full navigation accuracy achievable with Standard Positioning Service
! Optimized for navigation in urban-canyon environments
! Automatic cold start with no user initialization required