High speed spring contact adapter can be design in different ways. It is better to choose first the right spring contact design: Requested frequency per contact. Single or double ended. With or without flange. Minimum height & travel. With or without barrel (open). Plunger shape & other specifications. ADR also offer the “S-Parameters” information for most the spring contacts (Db/Frequency graph).

AC Power entry modules purpose is to filter the mains - to block high frequencies from leaving an electronic device. You may use it together with a 2 pole switch & fuses. Standard scheme described below.