The FM-850 (stereo/mono) is a professional grade FM transmitters operating in the commercial FM band (87.9 - 107.9 MHz). It is perfect for small community radio stations, campus radio stations, religious radio stations, special events coverage, touristic sites, large stadiums, etc. It can also be used as an FM exiter to drive an RF power amplifier to obtain a greater RF power level. Its outstanding RF and audio performances, ruggedness, reliability, versatility, ease of use and increased RF power level make the FM-850 our top-of-the-line transmitter, favored by many sound contractors and audio professionnals. FM-800 IS NOW DISCONTINUED.