This FM stereo transmitter, using advance modulation system and Phase Lock Loop to control a steady frequency when transmitting. New invented low noise system is used to reduce the noise level during broadcasting time. A digital stereo system is used and control the stereo separation at great condition. with a high gain antenna ,it can easy broadcast anywhere you want,home,apartment,church, school,club,camping,backyard,resident village. This Broadcast Package is plug and Play design, very easy to use , as you could see it at instant.so you really could enjoy the stereo transmitter!.syi