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Product details: Professional wireless microphone system Receiver parameters (receiver parameter) Oscillation mode (Oscillation): quartz crystal oscillator (quartz crystal) Frequency range (Carrier Ferquency Range): UHF 610.00MHz - 670.00MHz ( Comply with CE and FCC frequency rules) Frequency stability (Frequency Stability): ± 0.001% Maximum frequency offset (Max.eviation Range): ± 50KHz Modulation scheme (Modulation Mode): FM Signal-to-noise ratio (S / N Ratio):> 100dB The distortion (T.H.D): Audio Plug: XLR + Jack Antenna Plug : 2 BNC , 50Ω Sensitivity (Sensitivity): 1.2/UV @ S / N = 12dB Power Supply (Power Supply): DC: 12V ~ 18V/800mA About Weight:1.2kg Transmitter parameters : Carrier frequency (Carry a frequency): UHF 610.00MHz - 670.00MHz ( Comply with CE and FCC frequency rules) Frequency stability (Frequency stability): ± 25KHz Signal-to-noise ratio (S / N Ratio):> 105dB Adjacent channel interference ratio (F / N Ratio):> 80dB Dynamic Range (Dynamic range): ≥ 100dB Type (Type): capacitive (ca