That's why you need to stick with boosters primarily from the big four companies: Cel-Fi, HiBoost, SureCall, and weBoost. Cheaper boosters available from Amazon often aren't FCC-certified ...
Among those we've tested, the SureCall Flare 3.0 and weBoost Drive Sleek, respectively, earn our Editors' Choice awards for homes and vehicles thanks to their easy setup and reliable performance.
weBoost offers several models of cellular boosters & antennas for RVs, boats and vehicles. Start here for an overview of their product line up.