PLL-400 UHF microphone 4 channels 4 microphones in hand

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System Specifications:
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Channels: 4
Frequency Range: UHF (740-765MHz)
Modulation Type: PLL
Bandwidth: 25MHz
Channel: 100 channels in 250 kHz increments
Stability: +/-0.0005%
Dynamic Scale: 100 dB
Max. Deviation: +/- 80 kHz
Frequency response: 100Hz-15kHz +/-3dB
S/N ratio: >90 dB
Distortion: <0.5%
Operating temperature: -10oC - +40oC
T.H.D: <0.5% (for 10 kHz deviations)
Power supply: 12 V, 1 A
Audio outputs: balanced and unbalanced
Displayed information: frequency, RF level, AF level, battery level, AF mute, channel information

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Receiver Specifications:
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Oscillator stabilization: PLL synthesis
Intermediate frequencies: first 110 MHz, second 10.7 MHz
Antenna Type: BNC 50 Ohm
Sensitivity: 12 dBμV (80 dB S/N)
Sensitivity Range: 12-32dBμV
Emission of harmonic signals: >=75 dB
Max. Audio output: +10 dBV

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Transmitter Specifications:
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Built-in antenna
RF Output: High 30mW, Low 10mW
Harmonic emission: -60 dB
Batteries: 2x AA