GAOTek Optical Variable Attenuator

This Optical Variable Attenuator has an applicable wavelength of 1310 nm or 1550 nm, a resolution of 0.05 dB and an insertion loss of <3 dB.




  • Low insertion loss, wide attenuation range
  • 05 dB or 1.0 dB step attenuation adjust
  • 8 sets of common attenuation value setting
  • With LCD backlight function and auto power, off


Technical Specifications

Applicable Wavelength 1310 nm or 1550 nm
Signal Mode CW or Modulated
Max Input Power 25 dBm
Attenuation Range 3 dB to 60 dB
Resolution 0.05 dB
Return Loss >60 dB (APC), >50 dB (PC)
Insertion Loss <3 dB
Power Supply 2 x Ni-MH AA battery
Dimension 6.29 in x 2.99 in x 1.77 in (160 mm × 76 mm × 45 mm)
Weight 0.57 lb (260 g)


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