... 450W FM Transmitter 1.High stable and and solid design 2.Effective power suplly 3.Accept customized High performance 450W FM Transmitter1. ... protection function, the user can monitor the working status timely.5. Modular design for easy maintenance and replacement TYPEHT600FS-450WANALOGUE INDICATOR ... 0.2dBInput signal modulation modeQPSK,64/256 QAM,COFDM,AM,FM,DVB-T,DMB-T/HVector error rate (EVM)<2% ...