... 60dBTuning Step : 100khzStability of Frequency: ±5ppm Less than 10ppm ( better system)Freq. Response: -55dB(100~5000Hz); -45dB(5000 ~ 15000Hz ) ... digital stereo system is used and control the stereo separation at great condition.with a high gain antenna ,it can easy broadcast ... ,church ,school , club, camping , backyard , resident village.This Broadcast Package is plug and Play design, very easy to use ...