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MODEL JJ-7000 SERIES Wireless Microphone

parameters Drequency range:210-270MHz Channel number: 2channel Fixed frequency Receiving Sensitivity: 50uS(SINAD=20dB) Receiver Power Supply: DC15V S/N Ratio: >98dB Derquency Stability:  ±0.005% Dynamic Range: >90dB Emission Power: 30mW Transmitter Power: DC1.5V x 2AA Total Harmonic Distortion: <0.5% Frequency Response: 40-16Khz ±3dB Function Distance: 50M Feature   Technology