Performance parameters: System Frequency Range: UHF 500MHz ~ 900MHz Modulation: FM (PLL) frequency deviation: ± 25kHz / ± 48kHz Frequency stability:?? ± 15ppm Frequency Response: 60Hz ~ 18kHz SNR:? 110dB (A) THD :? 1% Operating temperature: -10 ° C ~ +55 ° C receiver receives the form: true diversity receiver sensitivity (peak deviation): 3uV (52dB S / N) Audio Output Level: Balanced Output: + 10dB (XLR) Non- Balanced Output: + 4dB (1/4 ", 6.3mm jack socket) adjacent channel interference ratio:? 80dB Image interference ratio:? 80dB transmitter RF transmit power (50?): 8mW ~ 30mW harmonic rejection:> 50dB