A Contact RFI containing the materials of Polyurethane Foam, Nickel-Copper Taffeta (NI/CU) is included.EMI/RFI is capable of working normally at -40°C~70°C.RF type is Fabric Over Foam from the contacter RFI.As you can see, this RFI EMI comes from the well-known 51H series of products.
4811AB51H01900 Features
Fabric Over Foam 51H series
4811AB51H01900 Applications
There are a lot of Laird Technologies EMI 4811AB51H01900 RFI and EMI Contacts applications.