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  • UR-3D 主图.jpg
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UR-3D

UR-3D UHF True Diversity Dual Channel Wireless Microphone

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Pure automatic signal selection (True Diversity) receiving mode, new single channel digital automatic signal selection long-distance microphone

Product number:UR-3D

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  • Description
  • Parameters
  • Certificate
  • Real diversity reception, using dual antennas and dual receiving lines
    Pure automatic signal selection (True Diversity) receiving mode, new single channel digital automatic signal selection long-distance microphone
    LD encryption
    Receiver channel has independent adjustable panel display of 2000 channels
    Automatic signal selection, channel, frequency, transmitter battery power, receiving sensitivity, mute level accuracy
    Unique CPU control switch
    Professional secondary frequency conversion and multi-stage RF filtering technology, multiple sets of which do not interfere with each other
    Double squelch of voice code and RF strength to eliminate interference
    Transmitter locking mode to avoid wrong shutdown Receiving distance is about 180-200m Frequency range: 640-690MHz
    True diversity
    Use bandwidth of 50MHz
    Number of receiving frequency channels 200
    Frequency interval 25KHZ
    1 IF frequency 243.950MHZ
    Oscillator frequency 233.250MHZ
    2 IF frequency 10.7MHZ
    Modulation technology Broadband FM
    Modulation frequency offset 24KHZ
    48KHZ maximum
    S/N=80 dB            < 10 μV (6 μV)
    S/N max              > 110 dB
    Antenna 4x BNC 50 ?
    NF part
    Output voltage 500mv
    Distortion at 1 kHz and typical value < 1% (0.3%)
    NF frequency response 50 Hz - 18 kHz; 3dB        
    Connector 6.35mm
    Independent A B connector XLR
    Nominal voltage 12V DC
    Voltage range 11.5V-16V DC
    Nominal current 650MA
    technical data
    (typical value)
    RF part
    Frequency control: phase locked loop (PLL) circuit synthesizer
    Frequency range: 740... 790 MHz
    Bandwidth: max 50MHz
    Channel: 16
    Frequency interval: 25 kHz
    RF power at AN: 30 mW, - 3 dB
    Modulation technology: FM
    Modulation frequency offset 1 kHz NF: ± 24 kHz
    Maximum modulation frequency deviation 1 kHz NF: ± 48 kHz
    audio frequency
    Audio frequency response (at 1 kHz: 60 Hz... 18 kHz; - 3dB
    Distortion at 1 kHz and typical value:<0,9% (0,5%)
    S/N ratio: ≥ 100 dB
    Operating voltage: 3 V
    Power at rated voltage: ≤ 130mA
    Standby: ≤ 100 μ A
    Battery: 1.5V alkaline * 2
    Use: ≥ 8 hours
    Simultaneous stacking: 16 sets

    Keywords:
    • UHF True Diversity Dual Channel Wireless Microphone

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