MFJ Enterprises Original MFJ-16A01 6 Pack Glazed Ceramic Egg Insulator/Isolator - 7/16" Holes, 9/64 Diameter by 2 1/8 Length.

hey everybody this is mike cricket113 hope everybody's enjoying the weekend i have another uh mfj uh review here for the mfj915 this is a rf line isolator some people will call it a one to one ballon uh it's about seven inches long or so and it's got two sides female so239 connectors and this is to be used to prevent rf uh coming back down from your outside your coax into your into your station into your shack into your gear onto your radio there's a lot of issues with that uh with all sorts of situations and it really it really has to do with uh having an unbalanced uh feed line uh or say if you have a uh like 50 ohm coax going into a uh some window ladder line or window line which is at a different ohm i think it's 350 the window line and you're trying to balance it out so this may be something that you're using now most people are using a 50 ohm coaxial cable but their antenna might