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 channelsg3 tracking technology (gps glonass galileo)advanced fence antenna technology - monitoring and unmatched performance, rtk technology sophisticated high precision position updates to 100 hzintegrated dual communication system with multiple radio cell combinationssurvey pro software32gb sdhc storage mediadual 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, galileo1x spectra ranger 3 controller with survey pro software4x new batteriesdc clampchargersantennasall required cableshard pelican casetopcon carbon fiber rover rod2 meter fixed height tripodbi pod.