... proof 120 channel, core GNSS including GPS, GLONASS, Galileo and Compass tracking 2. High performance GNSS RTK positioning ... leverages the latest GNSS technology by integrating 120 channels tracking GPS, GLONASS, Galileo and Compass and field software ... cost associated. Technical Specifications : GNSS characteristics : 120-channel signal tracking - GPS: L1, L2, L2C, L5- GLONASS: L1, L2- Galileo ...