... to be 0.1w, 1w, 2w. Introduction V30 GNSS RTK system adopts motorization design, so as to enable users ... , dustproof and anti-drop.V30 Technical Parameters: Signal Channels: GPS: L1 C/A, L2E, L2C, L5 GLONASS: L1 ... Trimble Maxwell 6 of advanced user-defined GNSS technology, Very low Noise GNSS carrier phase in surveying, accuracy<1mm ... ~+85 a lasted advanced multi-channel, multi-frequency RTK GPS system