There is a Tape & Reel (TR) solid enclosure around the optical attenuator.This RF Attenuator is conveniently packaged in 0805 (2012 Metric), making it easy to ship abroad.
E-TA2012 T 7DB N6 Features
E-TA2012 T 7DB N6 Applications
There are a lot of Nidec Copal Electronics E-TA2012 T 7DB N6 Attenuators applications.