Electronic Design
GNSS Receiver Modules Slash Size/Power, Boost Accuracy

GNSS Receiver Modules Slash Size/Power, Boost Accuracy

High-performance GNSS receivers operate down to 3.0 V with 20 mA low tracking current and position accuracy better than 2.5 meters.

The TM Series high-performance GNSS receivers from Linx are self-contained, 10 x 10 mm modules designed for navigation, asset tracking and positioning applications. Based on the MediaTek chipset, they can simultaneously acquire and track several satellite constellations, including the GPS system, GALILEO, GLONASS and QZSS. Operating down to 3.0 V, with a low tracking current of 20 mA and position accuracy better than 2.5 meters, the modules provide exceptional sensitivity even in dense foliage or urban canyons. Hybrid ephemeris prediction can be used to achieve cold start times of less than 15 seconds, and built-in receiver duty cycling can be configured to periodically turn off the module. A standard UART serial interface is used to send and receive NMEA messages in ASCII format, and the receivers power up and output position data without any software set-up or configuration. A GPS Master Development System is also available, connecting a TM Series Evaluation Module to a prototyping board with a color display that shows coordinates, speedometer and compass for mobile evaluation. A USB interface allows custom software application development and viewing of satellite data and Internet mapping.


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