FMUSER FSN-150 150W FM Radio Transmitter + DP100 FM Dipole Antenna + 20m SYV-50-7 Cable Package for FM Radio Station Professional stereo sound with excellent separation and Standard 19 2H rack, clean design and high quality manufacturing Low distortion and good Signal/Noise ratio and Modular construction, internal boards can be replaced one by one Built-in CPU system for controlling and monitoring,Advanced TEMP protection  SWR protection Humane design of digital front panel, direct programming step of 100KHz ,Soft start to rise RF output power slowly from 0 to the set value. Adjustable power output from 0 to 150 watts, with automatic gain control, maintain any output at a fixed level