Extending antenna

Kit Peters

I'm trying to put my uBITX into one of the water resistant plastic "ammo cans" from Harbor Freight. So far it's going fine, but I'd like to put the antenna hookup further back than the cable will stretch. How can I run it back further without it picking up interference? If I use some thin coax, will that work? What sort of connector should I use on the main board?

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