Solid state design, highest stereo performances. High reliable exciter with built-in digital frequency synthesizer and stereo encoder Complete broadband, MPX, SCA, RDS input interfaces, external PC programmable via RS232 (optional). Modular construction, easy to maintain, short MTTR. The main units of transmitter are processed for three-protections for humidity, fire and rust, suitable for adverse circumstances. The transmitter can be handled twice dust filtration on request. Multi-protections against over voltage, over current, excessive temperature, high VSWR and lightning. Air-cooling system.