Trimble Surveyors Kit R12 Base and R12i Rover with TSC5 Trimble Access UHFData Collector Controller 9JA Enterprise Trimble Surveyors Kit R12 Base and R12i Rover with TSC5 Trimble Access UHF Rugged field data collector for controlling total stations, GNSS receivers, and collecting survey data in the field. Pre loaded with surveying software. Tested and ready to pair with your instruments. Pre Owned Tested Fully Tested Ships Worldwide In Business Since 2008 Specifications Radio Frequency UHF 450470 MHz Type Field Data