A Contact RFI containing the materials of Conductive Elastomer is included.EMI/RFI is capable of working normally at -55°C~160°C.RF type is Shielding Material from the contacter RFI.As you can see, this RFI EMI comes from the well-known 5401 series of products.
5401-0006-90-300 Features
Shielding Material 5401 series
5401-0006-90-300 Applications
There are a lot of Leader Tech Inc. 5401-0006-90-300 RFI and EMI Contacts applications.