This listing is for a used OZ Optics DA-100-3A digital variable attenuator. It is a device designed for precise optical power adjustment in fiber optic systems. As a pre-owned item, its cosmetic and functional condition should be verified in the listing photos and description. Free shipping is included with this purchase. This attenuator is suitable for technicians, engineers, or hobbyists working on network testing, laboratory experiments, or telecommunications equipment maintenance. It provides a practical solution for managing signal strength without altering the system setup. For complete specifications, operational status, and any included accessories, please check the full listing details. OZ Optics DA-100-3A Digital Variable Attenuator. Condition: Used, Made in United States. Listed at 995.00 USD. The full model for this unit is unknown. Artisan Scientific Corporation dba Artisan Technology Group® is not an affiliate, representative, or authorized distributor for the manufacturers listed unless explicitly stated otherwise.