u-blox has revealed its latest receiver, the miniature untethered dead-reckoning (UDR) EVA-M8E. Measuring 7 x 7 mm, the device is designed to provide positioning for small-sized vehicle trackers, and does so by providing untethered dead-reckoning performance without any electrical connection to the vehicle, using low-cost inertial sensors. The EVA-M8E offers continuous positioning even before GNSS signals have been received, improves accuracy when GNSS signals are weak, and enables continuous low-latency positioning at 20 Hz to track highly dynamic events.
The receiver enables maximum flexibility in end-product design, requiring only a direct connection with the micro electromechanical (MEMS) inertial sensor and SQI Flash memory. It adapts automatically to installations anywhere within a vehicle, and supports very low standby current consumption. UDR with adaptive signal strength compensation helps reduce the effects of small antennas and poor installations, which means the EVA-M8E can support extremely small after-market road-vehicle applications such as usage-based insurance and theft alarms.
As with with all u-blox M8 receivers, the EVA-M8E supports GPS, GLONASS, BeiDou, Galileo, QZSS and SBAS constellations.
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