GAOTek Digital Optical Attenuator

This Digital Optical Attenuator has 1310 nm or 1490 nm or 1550 nm wavelength, less than 40 dB return loss and less than 2.5 dB insertion loss.




  • Different attenuator range
  • Can save current value as reference
  • Memorize the value after instruments shut down
  • Energy save mode


Technical Specification

Wavelength 1310 nm, 1490 nm, 1550 nm
Attenuation Range 40 dB, 60 dB, 80 dB (SM)
Attenuation Mode Digital
Insertion Loss <2.5 dB
Return Loss >40 dB
Display LCD, 128 x 64
Uncertainty ±0.5 dB


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