编号 :
SN-680UHF 2 channels true diversity long range wireless microphone
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- Product Description
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Transmitter:
Working frequency 640-690MHz Adopt microcomputer CPU control PLL phase-locked loop frequency synthesis technologySpecial audio / RF level display, battery voltage display infrared frequency pairing Modulation mode: FM frequency modulation Frequency stability: ± 0.002
FM Maximum modulation frequency deviation: ±45KHz RF High harmonics: more than 60dB below the main wave reference
Audio Frequency Response: 40~18,000Hz, (+1 dB, -3 dB) Overall system frequency response depends on the selected microphone unit. Zinc-aluminium alloy construction
Batteries: 2 x AA batteries - approx. 8-10 hours of continuous use (handheld option available!)
Receiver:
Operating Frequency: 640-690MHz Microcomputer CPU control PLL phase-locked loop frequency synthesis technology 200 selectable frequencies within 50MHz bandwidth
S/N signal-to-noise ratio:>105dB T.H.D distortion: <0.5% Frequency Response:40Hz-18KHz Audio dynamic expansion and automatic level control circuit
Audio output level digital potentiometer control
Operating range: 150 metres under typical conditions, more than 250 metres when outdoor straight line distance, the actual operating range depends on the RF signal absorption, reflection and interference. Reflection and interference.
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2nd Floor, Building 21-1, Lane 7, Tanglang Village, Pingshi Industrial Zone, Enping City, Guangdong Province, China
