Multi-constellation tracking 220 tracking channels. Supports GPS, GLONASS, GALILEO, BDS, SBAS. NGS approved GNSS antenna. Intelligent operation Equipped with a smart speaker guiding the whole operation. Multi one-button functions make fieldwork easier, such as auto base setup by one button, the rover can get fix solution once it is turned on. Diversify RTK application Optional transceiver UHF radio The transceiver UHF radio enables the working mode to be switchable between base and rover. 2-watt HI-TARGET internal UHF radio and 2-watt Pacific Crest TrimTalk© internal UHF radio are optional. Pacific Crest TrimTalk© internal UHF radio is compatible with other radios. Removable internal UHF radio enables users to fix or exchange simply. Seamless operation in CORS system Built-in GPRS/GSM/3G module ensures that the V30 works perfectly with network RTK positioning. Long-life battery Powered by 5000mAh Li-ion battery. Static working time 13 - 15 hours. RTK Rover (UHF/GPRS/GSM) working time 10 - 12 hours. RTK Base working time 8 - 10 hours. Rugged and unique design IP67 dust/water protection. Withstands 3-meter natural fall onto concrete. Rapid tracking and perfect avoidance or reduction of obstruction and multipath effect to ensure superior positioning capability.