Replaces the usual center isolater. Due to the internal common mode filter all common mode current on the outer shield of the coiax are suppressed. Connector PL.
MFJ is a very well known and leading manufacturer of amateur radio products and accessories. For more than 40 years, MFJ has been developing and producing innovative products in the USA that no radio station should be without. The product range extends from radios and antennas to tuners and individual components.