Weatherproof & waterproof fiberglass casing</br>Antenna reaches 21" high</br>Dual-band 800MHz/1??900MHz</br>Works on all U.S. cellular frequencies</br>Built-in ground plane</br></br>Product Description</br></br>Wilson Electronics' Marine Antenna Kit gives you not only a powerful marine antenna?? but also an adjustable mounting base and a 20 ft. coaxial cable. The weatherproof antenna reaches up to 21 ft. All major American cellular frequencies may be accommodated.</br>