This document summarizes the key features and specifications of the R26 GNSS IMU receiver. It has full constellation support for GPS, GLONASS, Galileo, and BeiDou systems. It offers strong battery life of over 14 hours and supports RTK+IMU technologies. The receiver is compact yet powerful, supporting up to 1208 channels with horizontal RTK accuracy of 2.5 mm + 1 ppm RMS.