MiCWL D400 Pocket Handheld Transmitter Only 610MHz-670MHz

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 (capacitance)

Polarity mode (polar psttern): single point resistance (One direction)

Frequency response (Frequency Response): 40Hz ~ 20KHz

Microphone sensitivity (Sensitivity): -47 ± 3dB @ 1KHz

Working By 2xAA battery