GAOTek Duplex Communication

This Duplex Communication has an 50 dB at 1550 nm dynamic range, it has 14 °F to 122 °F working temperature, and it has weight of 1.2 lb.




  • Clear voice and low background noise
  • With buzzer call function
  • Support long distance communication
  • 32 steps electronic volume adjustment
  • Hands free speaker
  • Support Tri-party communication

Technical Specification

Power Supply 6 x AA battery
Fiber Type SM fiber
Wavelength 1550 nm
Optional Clip-on coupler, Tri-party communication line
Accessories Main units (Unit A and unit B), 2 x headphones, 2 x Carrying bags, 2 x AC or DC charger, Quick guide, Test report
Working Temp 14 °F to 122 °F  (-10 °C to 50 °C)
Storage Temp -4 °F to 158 °F (-20 °C to 70 °C)
Dimension 9.4 in x 4.3 x 1.5 in (240 mm x 110 mm x 40 mm)
Weight 1.2 lb (545 g)


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