The RF/EMI interference suppression filter in the D-Sub adapter by Delock uses integrated broadband filters to prevent interruptions and signal noise, e.g. on Serial RS-232 / RS-485 and digital as well as analogue I/O interfaces.
Low-pass broadband filter
The adapter contains nine low-pass broadband filters for RF/EMI shielding of the D-Sub interface.
Note
Available in D-Sub 9, 15, 25 and 37 pin versions.