... transmitter 2.Indoor type 3.Working frequency:600MHz-800MHz GT-5900 20W Digital UHF broadband transmitter(indoor type) ... large bandwidth transmitter. It has digits display and NMS surveilance, easy for management and maintenance.Technical SpecificationsItemSpecsWorking ... power loss500WWorking temperature-20°C~+60°CWeight25Kg GT-5900 20W Digital UHF Broadband Transmitter (Indoor type)