STMicroelectronics has enlarged its GNSS product offering with the Teseo-LIV3R ROM-based module. The competitively-priced module provides ST’s full GNSS algorithm capability for cost-conscious tracking and navigation devices.
ST’s new GNSS module provides odometer functionality with three trip counters and reached-distance alert, along with geofencing capabilities with up to eight configurable circles and crossing-circles alarm. Support for real-time assisted GNSS with free server access ensures uninterrupted positioning data for dependable navigation.
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 an ideal choice 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 simplify and accelerate new-product development, the module is FCC certified and is supported by the STM32 Open Development Environment. STM32 applications for advanced geolocation, 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. Developers can also join the ST GNSS community to share information and increase their understanding of the field.
The Teseo-LIV3R is in volume production. The 9.7mm x 10.1mm LCC18 module is priced from $7.3 for orders of 1000 pieces.
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