... 450W FM Transmitter 1.High stable and and solid design 2.Effective power suplly 3.Accept customized High performance 450W FM Transmitter1. ... phase noise, ensure high-quality digital signals transmission.2. Compatible with different of digital modulation modes.3. Ultra-linear power amplifier ... 0.2dBInput signal modulation modeQPSK,64/256 QAM,COFDM,AM,FM,DVB-T,DMB-T/HVector error rate (EVM)<2% ...