STMicroelectronics new GNSS module targets business from tracking and navigation market

STMicroelectronics (ST), Europe's leading chipmaker has launched its new GNSS product offering, the Teseo-LIV3R ROM-based module, which the company says is a competitively-priced module that comes with ST’s full GNSS algorithm capability for cost-conscious tracking and navigation devices.

The new GNSS module features odometer functionality with three trip counters and reached-distance alert, along with geo-fencing capabilities with up to eight configurable circles and crossing-circles alarm. The chipmaker will also provide support for real-time assisted GNSS with free server access, which it says will ensure uninterrupted positioning data for dependable navigation.

The simultaneous tracking of GPS, Glonass, Beidou, and QZSS constellations, with Satellite-Based Augmentation System (S-BAS) and RTCM[1] V3.1 differential positioning ensures excellent accuracy to within 1.5 meters (50% CEP[2]). Tracking sensitivity of -163dBm and time-to-first-fix faster than one second ensure high performance for demanding applications.  The module is easy to use and responds to proprietary NMEA[3] commands.

With scalable power consumption according to accuracy, average current, and frequency of fixes, a sub-15µA standby mode with RTC backup, and support for multiple low-power modes, Teseo-LIV3R is suited for battery-sensitive applications. The low-power modes include continuous-fix with adaptive and power-saving cycled modes, periodic-fix with GPS only, and fix-on-demand with the device in permanent standby.

To enable accelerate new-product development, the module is FCC certified and is supported by the STM32 Open Development Environment. STM32 applications for advanced geo-location, smart tracking, and server-assisted GNSS are available, while the EVB-LIV3x evaluation board and X-NUCLEO-GNSS1A1 expansion board provide a head-start with hardware. The Teseo Suite PC tool helps easily configure settings and fine-tune performance.

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