... Pacific Crest, a Trimble Company, multi-satellite, multi-system kernel.2. Built-in transmit-receive UHF, exchangeable Base and ... , dustproof and anti-drop.V30 Technical Parameters: Signal Channels: GPS: L1 C/A, L2E, L2C, L5 GLONASS: L1 ... 10Hz) Differential data format: CMR, CMR+, RTCM2.1, 2.2, 2.2, 3.0, 3.1 Output format: ASCII: NMEA-0183 ... a lasted advanced multi-channel, multi-frequency RTK GPS system