Great idea, thanks, i will try it with mine, these car transmitters are so weak that is nearly impossible to get a decent sound. If you have an outdoor antenna, it should be on the roof if that was where its meant to go. Hello, I am trying to increase the range of my belkin FM transmitter. We use cookies to make wikiHow great. The rules are covered under the Part 15 of the FCC rules. References. Car fm transmitter boost help: General Electronics Chat: 14: Mar 3, 2016: L: I would like to boost the power of this transmitter. I've always wondered how to make those little transmitters better. {"smallUrl":"https:\/\/www.wikihow.com\/images\/thumb\/9\/91\/Improve-Radio-Reception-Step-1.jpg\/v4-460px-Improve-Radio-Reception-Step-1.jpg","bigUrl":"\/images\/thumb\/9\/91\/Improve-Radio-Reception-Step-1.jpg\/aid10839262-v4-728px-Improve-Radio-Reception-Step-1.jpg","smallWidth":460,"smallHeight":345,"bigWidth":"728","bigHeight":"546","licensing":"

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