We offer excellent topcon gr-5 gnss rtk base and rover with spectra ranger 3 data collector, gps glonassgnss - galileo, digital uhf gsm modem. Manufacture date 2013, has calibrated and ready to work, low hours and perfect condition like new, used just for demo store only price : us$23, 350 features: 216 universal tracking channels g3 tracking technology (gps glonass galileo) advanced fence antenna technology - monitoring and unmatched performance, rtk technology sophisticated high precision position updates to 100 hz integrated dual communication system with multiple radio cell combinations survey pro software 32gb sdhc storage media dual hot-swappable batteries this complete gr-5 uhf dual base and rover includes everything and ready to work; 2x gr-5 rover and base, internal digital uhf radio, gnss, galileo 1x spectra ranger 3 controller with survey pro software 4x new batteries dc clamp chargers antennas all required cables hard pelican case topcon carbon fiber rover rod 2 meter fixed height tripod bi pod.