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    3. ST-208

      Product features:1.?Three marshalling frequency are built-in, one button to adjust. One same frequency range available three receivers use in the same time.2.?Infrared ray synchronization fu

      • Model: ST-208

      Product features:

      1. Three marshalling frequency are built-in, one button to adjust. One same frequency range available three receivers use in the same time.

      2. Infrared ray synchronization function, one button to connect and lock frequency automatically.

      3. Volume of four channels is independent to adjust. Provide 4+1 audio output, each audio volume is independently output.

      4. Provide multiple transmitters to choose, conference, handheld and collar microphones can be mixed to use.

      5.Backlit LCD display show working station of RF, AF, frequency and channels.

      6. Adopt same working frequency for four channels, transmitters can interchange at any time, this greatly enhance operation flexibility.

      7.Adopt newest UHF wireless audio transmit chip module IC which has excellent RF and AF performance, provide professional sound experience to customers. Squelch control and digital pilot technology, when transmitter turn off, pilot control will make AF signal to be mute to avoid noise, receiver’s channels also will be mute, this effectively cut off interference signal.


       

      Each channel and frequency range:

      Our products provide 500MHZ~900MHZ


      Factory default frequency range: 734.950MHz--794.650MHz

      CHANNAL A: 0-50       FREQUENCY: 734.950MHZ-749.650MHz

      CHANNAL B: 51-100    FREQUENCY: 749.950MHZ-764.650MHz

      CHANNAL C: 101-150   FREQUENCY: 764.950MHZ-779.650MHz

      CHANNAL D: 151-200   FREQUENCY: 779.950MHZ-794.650MHz

       

      System specifications:


      Frequency range: 734~795 MHz

      Modulation mode: FM

      Frequency interval: 50MHz

      Channels: 200

      Channel interval: 300 KHz

      Frequency stability: ±0.005%

      Dynamic range: 100dB

      Frequency response: 80Hz-18KHz (±3dB)

      SNR: >105 dB

      Distortion: ≤0.5%

      Working temperature: -10℃ -+40 ℃


      Receiver specifications:


      Pattern: super heterodyne twice frequency conversion

      IF-FRE: First :110MHz, second: 10.7MHz

      Wireless interface :BNC/50Ω

      Sensitivity :12dBμV(80DbS/N)

      Sensitivity range:12-32 dBμV

      Stray rejection:>75dB

      Max output level :+10dBV

      Working power: 12V 1000mA 


      Transmitter specifications:


      Output power: High power: 15mW; Low power: 8mW

      Stray rejection:-60dB

      Power supply :2 AA batteries

      Working duration time :13 hours.

      Working distance: ideal condition is about 80 meters, complex environment is about 45 meters.





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