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The UC INSTRUMENTS GM81007CL Variable Optical Attenuator Module provides high performance in channel balance, power equalization, gain tilt and power adjustment of DWDM systems, EDFA, AWG & PLC components, optical amplifiers, and other general-purpose fiber optical test and measurement applications. A GM8001B mainframe can host two Variable Optical Attenuator modules. Specifications. Wavelength Range: 1520 to 1620 nm. Attenuator Range: 0 to 40 dB. Insertion Loss: <2.5 dB. Fiber type: 9/125 um single mode. Connector Type: FC/UPC Connector. Attenuator Accuracy: <= +/- 0.1 dB typ. Repeatability: <= +/- 0.01 dB. Polarization Depend Loss: <= 0.015 dB. Polarization Mode Dispersion: 5 fs. Return Loss: > 40 dB. Dimensions: 75 mm H, 32 mm W, 310 mm D. Weight: 0.5 kg.
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