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LC/APC to LC/APC Variable Fiber Optic VOA In-Line Attenuator 0-30dB
The In-line Variable Optical Attenuator
The in-line variable optical attenuator (VOA) is manually-adjusted, used for precisely balancing the signal strengths in fiber circuits, or balancing an optical signal when evaluating the dynamic range of the measurement system.
Note: Picture is for LC/UPC to LC/UPC, please take it as reference.