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Vehicular Dead Reckoning

GlobalTop Vehicular Dead Reckoning System facilitates dense urban navigation and constant positioning even in the lengthy tunnel and underground car park making it suitable for vehicle locator. The system blends GPS NMEA input data with that of the sensors’. The resulting output to your system is NMEA format and thus there is no need for any special software expertise.

Overview

GlobalTop Vehicular Dead Reckoning System module –Gnd-r5 combining high performance positioning module –Gmms-u2p facilitates dense urban navigation and constant positioning even in the lengthy tunnels and underground car parks making it suitable for vehicle locator. The system blends GPS NMEA input data with that of the sensors'. The resulting output to your system is NMEA format and thus there is no need for any special software expertise. Please contact GlobalTop sales representative for more information.
*Evaluation Kit is available

Application

Automatic Vehicle Locator (AVL) ‧ In-Dash Navigator


Highlights

  • 1Hz GPS+DR blended NMEA output rate
  • Coverage even in tunnels & Speed & Direction input via I/O pin
  • Built-in Gyro sensor
  • Automatic sensor calibration
  • 4 Programmable Baud rates
  • GPS -MediaTek Chipset
  • L1 Frequency, C/A Code, 66 channels
  • Ultra-high Sensitivity, -165 dBm, TCXO Design
  • Position Accuracy: <3.0M 50% CEP
  • Multi-tone active interference canceller (MTAIC)
  • Multi-path Compensation | E-GSM-900 band rejection
  • 32kHz clock output (optional)
  • Blended: NMEA 0183 (GGA, GSA, GSV, RMC) &Gtop;'s GTPDR @ 1Hz
  • E911, RoHS, REACH Compliance

TAG: GPS, GPS Module, Dead Reckoning, GNSS,

Specification

Specification

Gnd-r5 Interfaces

  • Programmable Baud rates via pin configurations
    (9600bps(default) /19200bps/38400bps/115200bps)
  • Serial Data Output (DR NMEA Output)
  • Serial Data Input (NMEA Input)
  • System Reset Input pin
  • Odometer Input
  • Direction Input
  • DR Indicator

General System Specification (Gnd-r5 + Gmm-u2p)

Power Supply 3.3V (typical)
*Gnd-r5: 3.2V to 3.6V
*GPS(Gmm-u2p): 3.0V to 4.3V
Consumption Acq: 39mA @3.3V (Gnd-r5 + Gmm-u2p)
Track: 35mA @3.3V (Gnd-r5 + Gmm-u2p)
*Gnd-r5: [email protected]
*GPS(Gmm-u2p): Acq: 19mA | Track: 15mA
Protocol NMEA 0183
NMEA Output/Rate Blended: GGA, GSA, GSV, RMC, GTPDR (GTOP)@1Hz
Receiver MTK MT3339, 66-Channel, L1 (1575.42 MHz), C/A Code
Position Accuracy Without aid: 3.0m 50% CEP
TTFF Cold Start: <35 Seconds (Typical)
Warm Start: <33 Seconds (Typical)
Hot Start: <1 Seconds (Typical)
Time Sync 1PPS based
Timing Accuracy +/-10ns–Always output (No Fix or 3D Fix)
Sensitivity Acq: -148 dBm / Tracking -165 dBm

*Gmm-u2p customized firmware for DR application will be applied and is shipped as factory default.

Physical

Gnd-r5 GPS (Gmm-u2p)
Dimension (SMD) 17 x 22.4 x2.2mm 9 x 12.7 x 2.1mm
Weight 1.5g 1g
Working Temperature -40 °C to +85 °C -40 °C to +85 °C



Gnd-r5 Compatible GPS modules

» Gmm-u2P GPS Module
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Gtop Vehicular Dead Reckoning Service Introduction

GlobalTop Technology Inc. is Taiwan Vehicular Dead Reckoning supplier and manufacturer with more than 6 years experence. Since 2006, in the Northern America, South America, Western Asia, Southern Europe, Western Europe, Northern Europe, Eastern Asia, Southern Asia, Central Asia, Australia, New Zealand and Russia, Gtop has been offering our customers high quality Vehicular Dead Reckoning production service. With both advanced technology and 6 years experience, Gtop always make sure to meet each customer's demand.

Contact Us

GlobalTop Technology Inc.
No. 16, Nan-Ke 9th Road, Science-Based Industrial Park, Tainan 741, Taiwan
TEL: +886-6-5051268
FAX: +886-6-5053381

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