Based on Venus 8 multi-GNSS platform, S2525DR8 GNSS Dead-Reckoning Module offers accuracy for both indoor and outdoor positioning. Module uses automotive-grade XV-8100CB analog output gyroscope and 16-bit differential ADC. A 3D option adds barometric pressure sensor on-board, while vehicle dynamics monitoring option adds accelerometer. Measuring 25 x 25 mm, module contains level shifter, capable of direct interface to vehicle odometer and forward/reverse signals ranging from 3V–30 V.