Weatherproof & Waterproof</br>Patented</br>Fiberglass Encased.</br>Built-in Chrome-plated Radial Ground Plane.</br>For Mobile or fixed installations.</br></br>Product Description</br></br>Wilson Marine Antenna is a dual-band (800/1900 MHz) and omnidirectional  antenna with built-in Chrome-Plated Radial Ground Plane?? and has several  mounting options available for any installations to improve cellular  signal.</br><br/>http://www.amazon.com/gp/product/B000PCXX4I