GPS Bluetooth
GPS Mouse
Navigator
Personal Tracker
GPS Engine Board
Other

GM720 Product Features

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  • 20¡Vchannel GPS receiver for fast acquisition and reacquisition
  • Full navigation accuracy provided by Standard Positioning Service (SPS)
  • Support standard NMEA 0183 protocol (Version. 3.0 GGA, GSA, GSV, RMC, VTG
  • Internal RTC (Real Time Clock)
  • SBAS (WAAS, EGNOS Euro Geostationary Navigation Overlay Service) support
  • User selectable baud rates allow the design with maximum interface capability and flexibility
  • Water resistant ¡VIPX5
  • ROHS compliant


Driver / Manual / Specification

Performance

Receiver

 20 parallel channels
Frequency L1, 1575.42 MHz C/A code
Acquisition Time (Open Sky and Stationary) Re-acquisition Average 0.1 seconds
Hot Start Average < 1 seconds (typical TTFF 95%)
Warm Start Average < 38 seconds (typical TTFF 95%)
Cold Start Average < 42 seconds (typical TTFF 95%)
Accuracy Position 2 DM RMS : aprox. 10m
Velocity Max. 515 m/ sec
Time 1 microsecond synchronized to GPS time
Datum WGS-84 (or by demand)
Sensitivity Acquisition -149 dBm (average) in normal mode
Sensitivity mode -159 dBm (average) in high sens. Mode
Tracking -159 dBm (average)
Dynamics Altitude Max. 18000 meter
Velocity Max. 515 m/sec
Acceleration ¡Ó 4g

Power & Interface characteristics

Power supply

From USB port +4.5~5.5V Connector USB 1.1 male connector
Baud rate 4.8K (def) ~ 57.6k bps Antenna Bulit in patch antenna
I/O Protocol NMEA 0183 ¡@ ¡@

Physical characteristics

Dimensions

55(L) X 37 (W) X 16.5 (H) mm
Cable length 2 meters

Environment conditions

Operating temperature

-20¢XC ~ +60¢XC
Storage temperature -20¢XC ~ +70¢XC
Operating humidity 5% ~ 95% RH, non condensing

Availability
  • For OEM/ ODM or Navibe Brand Reseller
  • Delivery FOB HongKong
  • 2 years warranty

Hardware Interface
  • The GM 720 includes the USB 1.1 male conncetor with user selectable baud rate of 9600(default), 19200, 38400 or 57600 which allows you to link with your notebook PR, car phone or other devices.

Pin Assignment

PIN Signal
1 +5 VDC
2 -Data
3 +Data
4 Ground


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