... . BD970 mother board of Pacific Crest, a Trimble Company, multi-satellite, multi-system kernel.2. Built-in transmit-receive UHF, exchangeable Base ... adjustable to be 0.1w, 1w, 2w.4. 1+X multi-module communication units. 5. PCC Radio module (optional) compatible with ... temperature: -45~+65 Storage temperature: -55~+85 a lasted advanced multi-channel, multi-frequency RTK GPS system