编号 :
ST-1004 UHF 4 channels wireless microphone
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- Product Description
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System Specifications.
Frequency range: 640-690MHz Modulation mode: broadband FM Adjustable range: 50MHz Number of channels: 200 Channel interval: 250KHz Frequency stability: ±0.005% or less
Dynamic range: >105dB Maximum frequency deviation: ±45KHz Audio Response: 40Hz-18KHz (±3dB) Integrated signal-to-noise ratio: >110dB Comprehensive distortion: ≤ 0.2%
Operating Temperature: -25℃-+40℃ Receiver indicators: Receiver mode: secondary frequency conversion super-exception Input power: 5W Wireless interface: BNC/50Ω
Sensitivity: 12 dBμV (80dBS/N) Sensitivity adjustment range: 10-32dBμV Spurious rejection: ≥75dB Maximum output level: +10 dBV
Transmitter indicators:
Antenna programme: Pendant transmitter using 1/4 wavelength whip antenna, handheld microphone Built-in antenna Output power: 20mW Spurious rejection: -45dB
Power supply: two AA batteries Usage time: about 8-10 hours
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2nd Floor, Building 21-1, Lane 7, Tanglang Village, Pingshi Industrial Zone, Enping City, Guangdong Province, China
