I recently upgraded my external antenna and saw this extender and thought that since I have room for the extension why not raise the antenna a foot more to receive weak signals. I honestly can't say for sure if it helps, but the higher the better with antennas, so it definitely won't hurt. The photos show that the extension raises the antenna well above the hood and roof rack of my VW Westfalia motorhome. This extension is perfect for the WeBoost Marine Antenna (https://amzn.to/2VfqN1O) and the Shakespeare 4190 Ratchet Rail Mount (https://amzn.to/3ryMjud). All three are properly threaded and offer a great adjustable mounting system. This extension looks very well made and should last a long time, maybe outlive me. .
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