Can I turn a cable phone modem or cable modem into a wireless adaptor by plugging up rabbit ears to it??????????

I have a Acer Aspire 3689, 802.11b/g wireless LAN. My issue is pickng up wifi/hot spot signals because I live in a rural area. I’ve gone to the cantenna sites and this has led me back to another idea ihad, I have a ARRIS model TM502G modem. My computer still detects it but I get a local connection. I connected t to my cable here eventhough this is a new place and I don’t have internet, can I replace that with a rabbit ear antenna set up and pick up wifi? I know its more complicated then just plugging it in, what else would I need to do to get the modem to respond to this?
I HAVE AN INTERNET CONNECTION, IT DOES NOT GO FAR ENOUGH, MY LAPPY IS A ROUTER ASWELL AS RECEIVE, IM BASING THIS IDEA ON THE CANTENNA CONCEPT UNLESS YOU ALL KNOW HOW TO BOOST MY ACER WIFI

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