Since it is a type Shield, 2-Piece, it has a wide range of applications.RF Shield can be generalized using Surface Mount, Through Hole.An item from the series 20-CBS.
21M-CBSA-0.5X4.5X0.225 Features
As a type of Shield, 2-Piece Surface Mount, Through Hole value 20-CBS
21M-CBSA-0.5X4.5X0.225 Applications
There are a lot of Leader Tech Inc. 21M-CBSA-0.5X4.5X0.225 RF Shields applications.