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U段无线会议麦克风-SU204  
UHF wireless microphone-SU204
Description ：
SU204 is four channel wireless microphone system consists of 4 sets independent UHF receiver module with 100 frequencies. It is designed for stage, conference room, school, church and many other applications. and made up of four wireless conference microphones and 1 set equipped with mixer function of the receiving host composition. Working in UHF band, high-frequency circuits: adopt PLL phase lock loop control oscillations, audio lock code identification technology.
 Audio circuits: using high-performance dynamic extension and intelligent mixing circuit! Provide the original sound signal real! In addition the machine is equipped with RS - 232 control interfaces for convenient control to central controller
 Characteristics：
  • Operating frequency: 700-900MH
  • CPU control with LCD display make operation 0easy and performance outstanding
  • Adopt PLL combined technology, and the transmitter power is adjustable, they can be used several sets at the same time without interference.
  • Multi-channel and high frequency, fully eliminate the interference signal
  • With audio compressing-expanding technology, reduce the noises and increase the dynamic range
  • The function restrains the howling, can effectively reduce the howling
  • Receiver with multi-level high-frequency amplification, with high sensitivity
  • Multi-level noise supervisory circuit, can the TONE-LOCKED system, so that it have a good anti-jamming features
  • Excellent chips and quality components used to make this machine excellent sound quality
10. 100 meters in the spacious place, 50 meters for the ideal using range
 Technology parameters：
System Specifications
Frequency Range: UHF range 807-829.600MHZ
Modulation Mode: PLL
Bandwidth: 25MHz
Channel: 100
Stability: +/-0.0005%
Dynamic Range: 100dB
Max Deviation: +/-80 KHz
Frequency Response: 100Hz-15 KHz+/-3dB
S/N: >105dB
Distortion: <0.5%
Operation temperature -10℃~ 40℃
T.H.D: <0.5% (at 10KHz Deviation)
Power Supply: DC 12~15V
Audio output: Balanced & unbalanced
LCD displays: Accumulative working time after battery
Replacement, frequency, RF input level, AF level, battery status
Muting RF level and wireless channel information.

 
 
 
 
Specifications of the Receiver
Receiving Mode: PLL synthesized oscillation mode
Inter Frequency: First 110MHZ, second; 10.7MHz
Antenna Type: BNC type/50 Ohms
Sensitivity: 12 dBµV (80dBS/N)
Sensitivity range: 12-32 dBµV
Spurious Emission: ≥75dB
Max audio output: +10 dBV
Spec of Transmitter: Antenna, Built
RF Output: Hi: 30mW: LO: 3mW
Spurious Emission: -60dB
Operation Battery: AA x 2
 
 
 System connection diagram ：
U段无线会议麦克风-SU204
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