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GNSS receiver modules for embedded IoT applications

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By Rich Pell


IoT networking and connectivity solutions provider Lantronix has launched new PNT Series Global Navigation Satellite System (GNSS) Receiver Modules. The embedded modules are designed to provide an easy-to-use, cost-effective solution to enable the addition of GNSS functionality to products.

The new PNT Series GNSS receiver modules, says the company, are appropriate for use in consumer solutions, including people/pet and asset tracking devices as well as agriculture asset monitoring and commercial solutions, such as drones, toll road charging, fleet management, maritime, rail, critical infrastructure, utilities and other applications.

“With the addition of the GNSS receiver modules, Lantronix is expanding its embedded IoT family to meet the growing demand for GNSS capabilities in a wide range of essential, often critical, consumer and commercial applications,” says Brian Jaroszewski, Lead Product Line Manager at Lantronix Inc. “Adding positioning and tracking, navigation and timing capabilities supports essential processes in many industries, empowering our customers to propel our world forward with enhanced safety, security and the increased ability to more effectively and remotely manage people, places and things.”

Available now, the PNT-SG3FS flash-based module is designed for simultaneous tracking of multiple constellations. The PNT-SG3FS standalone module integrates a Teseo III receiver from ST Microelectronics. The single-frequency receiver can track up to 32 satellite signals in view across GPS L1C/A, BeiDou B1, Galileo E1B/C, GLONASS L1OF, SBAS L1C/A (WAAS, EGNOS, MSAS, GAGAN) and QZSS L1C/A bands. The pin-compatible multi-frequency PNT-SG4FM adds support for GPS and QZSS L5C, BeiDou B2a and Galileo E5a bands.

The PNT-SG3FS module supports Differential GPS (DGPS) data according to RTCM 10402.3 for improving location accuracy. The module can output measurement data (carrier phase) supporting PPP-RTK host algorithms for precise positioning applications with a custom firmware and supports 1.8V or 3.3V power supply domains. Assisted GNSS algorithms support extended ephemeris data using local autonomous or server-assisted based solutions for fast Time to First Fix (TTFF) operation.

The module provides a high stability pulse-per-second (PPS) output for time-synchronization for electricity transmission, telecom networks operation and timestamping of financial transactions as well as application uses in utility systems, scientific applications, IoT and in broadcast and datacom networks. The PNT-SG3FS integrates 16MB flash memory that supports many capabilities, including data logging, geofencing, odometer, five-day autonomous assisted GNSS and firmware updates. It integrates a temperature-compensated crystal oscillator (TXCO) for navigation performance and stability, as well as a real-time clock (RTC) oscillator with a clock-trimming feature to compensate for the accuracy of the 32.768 kHz crystal in timing applications.

Coming soon, the PNT-SG4FM is a pin-compatible flash-based module designed for multi-frequency GNSS deployments. The PNT-SG4FM is ready for IRNSS using a custom firmware build. The PNT-SG4FM relies solely on server-assisted based Assisted GNSS. In addition, the PNT-SG4FM has a built-in LNA and SAW filter and features short and open circuit detection functions for antenna status.

Lantronix


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