GNSS receiver module combines small size and low power with high accuracy

GNSS receiver module combines small size and low power with high accuracy

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LInx Technologies has launched the TM Series Global Navigation Satellite System (GNSS) receiver modules.
By eeNews Europe


At a very small size of 10 mm x 10 mm, the TM Series GNSS receiver module is a self-contained, high-performance Global Satellite Navigation System receiver designed for navigation, asset tracking and positioning applications of all kinds. Based on the MediaTek chipset, it can simultaneously acquire and track several satellite constellations. These include the United States GPS system, Europe’s GALILEO, Russia’s GLONASS and Japan’s QZSS.

The GNSS receiver module provides exceptional sensitivity, even in dense foliage or urban canyons, having a position accuracy of better than 2.5 meters. In addition, hybrid ephemeris prediction can be used to achieve cold start times of less than 15 seconds. The receiver operates down to 3.0 V and has a low tracking current of 20 mA. The module has built-in receiver duty cycling that can be configured to periodically turn off the module for added power savings. By combining this feature with the module’s very low power consumption, battery life is maximized in battery-powered systems.

The TM Series GNSS receiver module powers up and outputs position data without any software set-up or configuration, making the TM Series easy to integrate, even by engineers without previous RF or GNSS experience. A standard UART serial interface is used to send and receive NMEA messages in ASCII format. A simple serial command set can be used to configure optional features. The module’s UART can be connected directly to the UART on a microcontroller or a PC using a USB or RS-232 converter chip.

In addition, the available GPS Master Development System connects 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 simple viewing of satellite data and Internet mapping, as well as custom software application development.

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