









UR-3D UHF True Diversity Dual Channel Wireless Microphone
零售价
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Product number:UR-3D
重量
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- Product Description
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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 setsKeywords:- UHF True Diversity Dual Channel Wireless Microphone
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