STMicro has released the Teseo-LIV3R, an FCC-certified ROM-based GNSS module. The Teseo-LIV3R enables simultaneous tracking of GPS, Glonass, Beidou, and QZSS constellations, and leverage satellite-based augmentation system (S-BAS) and Radio Technical Commission for Maritime Services (RTCM) Version 3.1 to deliver accuracies within 1.5 meters. The modules also respond to proprietary National Marine Electronics Association (NMEA) commands.
The 9.7mm x 10.1mm LCC18 Teseo-LIV3R devices support a tracking sensitivity of -163 dBm and a time-to-first-fix of below one second. The modules consume less than 15 µA of power in standby mode, while also supporting low-power modes such as adaptive continuous-fix, periodic-fix, and fix-on-demand modes.
In addition, the Teseo-LIV3R offers three trip counters, reached-distance alert capabilities, and geofencing provisions that enable up to eight configurable circles and crossing-circle alarms. Real-time assisted GNSS is available with free server access for uninterrupted positioning and navigation data.
Teseo modules are available for evaluation via the EVB-LIV3x development kit and X-NUCLEO-GNSS1A1 expansion board, both part of the STM32 Open Development Environment. The modules are supported by the Teseo Suite PC tool, which allows users to configure settings and optimize performance.
The devices are priced from $7.30 in quantities of 1,000. More information is available at www.st.com/gnss-modules.
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