Professional uhf wifi wireless microphone

Professional uhf wifi wireless microphone SR-860D Features: 1.Dual channel UHF wireless system, with 100 channels for free selection. 2.LCD display shows status of frequency, AF and RF signal etc. 3.Noise locked, Digital Pilot Tone locked, and Squelch Control. 4.Automatic technology of infrared frequency &audio frequency. 5.Two microphone can be interchangeable. 6.All- metal plating tube with solid, anti-throw, and wear-resisting.   Parameters: Operating frequency:740-790MHz Channel number:200 Channel Spacing:300KHZ Frequency stability:±0.005% Dynamic range:100db With FM Max frequency adjusting:±45KHz Frequency response:40Hz-18KHz(±2db) S/N ratio:>105dB T.H.D distortion:<0.5%   RECEIVER: Medium frequency :110MHZ.10.7MHZ ANT:TNC/50Ω Sensitivity:12dBuV(80db S/N) Sensitivity adjusting Range:12-32dBuV Spurious noise suppression: ≥75dB Maximum Output Level: +10dbv Power supply mode: Input DC 12 v, 400 mA   TRANSMITTER:  Output power: HIGH 30mW / LOW 3mW Audio frequency response:40 to 18000Hz(+1 dB, -3 dB) Spurious noise suppression: -60dB Power supply:2*AA alkaline batteries 1.5V Time: about 8 hours Zinc Aluminum alloy structure
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