RXM-SG GPS Module w/Ext Antenna


These GPS Modules were discontinued by Parallax some time ago and are highly sought after now. I happen to have a few available. See description below for complete product details.

5 in stock

SKU: SC00063 Category: Tags: , , ,


The RXM-SG GPS Module provides a high quality, highly sensitive GPS receiver with an external antenna to provide a complete GPS solution for both microcontroller and PC applications. The high-performance
SiRFstar III chipset features 20 parallel satellite tracking channels for fast acquisition of NMEA0183 data for robotics navigation, telemetry or experimentation. This GPS Module can connect to a microcontroller
or even a PC (via USB). A Windows application provides a graphical display of the GPS data and can even show your location on Google Maps (internet connection required). Four general purpose I/O pins
provide expansion for pin-intensive projects.


  • SiRFstar III chipset
  • Outputs raw NMEA0183 data strings to microcontroller
  • View data graphically on your PC via USB connection
  • 200,000+ correlations
  • Low power consumption
  • High sensitivity (-159 dBm)
  • 20 satellite tracking channels
  • Battery-backed SRAM
  • 11-pin SIP header with breadboard-friendly 0.1” spacing

Key Specifications:

  • Power Requirements: 5 V @ ~50 mA (typical)
  • Communication: 3.3 V CMOS asynchronous serial @ 9600 baud default for microcontrollers, or USB for PC
  • Dimensions: 1.7 x 1.6 x 0.6 in (4.33 x 4.09 x 1.52 cm)
  • Operating temperature: -22 to +185 °F (-30 to +85 °C)

Application Ideas:

  • RoboMagellan robot competition
  • Fleet Management
  • Positioning and Navigation
  • Surveying


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