Ferrite filter products can help speed up digital devices by suppressing common mode current from RFI sources OR prevent digital devices from emitting RFI on its connecting cables and power supply lines.
Ham Radio Outlet Products
HRO stocks many Palomar Engineers products including RFI solutions and antenna products.
Need a quick overview to solve your RFI problem? Click on the RFI Cheat Sheet or RFI Solutions Tip Sheet
Palomar Engineers Antenna Info Sheet