Midwest Microwave 303 Attenuator (20db)

RF Attenuator Module Programmable Control Board 0.5dB Step 1M-3.8GHz Tool.

HP/Agilent 8158B Optical Attenuator Unit #2

Oz Optics Motor Driven Variable Attenuator, DD100 Series With Cables & Manuals

Roger K Sherman Precision Line Width Standard Model LWS-1 XP

Anritsu 43KC-20 Attenuator

vintage mystery switch attenuator? 500MHz SMB connectors, from? tested see plots

Agilent 5064-7848 Attenuator/Switch Driver Cable 11713B-701 / 11713C-701 Opt 701