Wilson Electronics has been a pioneer in the wireless communications industry for nearly 40 years. With expertise in RF antenna and amplifier research and development, the experienced Wilson engineering team uses a state-of-the-art testing laboratory, including an anechoic chamber and network analyzers, to fine tune antenna designs and performance.PRODUCT FEATURES:Easy to install;Removable - transfers from one vehicle to another;Rare earth magnet;Metal ground plane required (Minimum 5" Diameter).