Wilson Electronics' Dual Band Trucker Mirror-Mount Cellular Antenna is designed specifically for use on 18-wheelers. The Trucker antenna is dual band 800/1900 MHz and features 5.12/6.12 dBi of signal gain. It features a standard CB 3/8-inch x 24 thread mount with studs. The Trucker antenna includes 10.5' of RG58U coax cable and a separate 3-way mount that allows for installation on a vertical or horizontal pole. Built-in ground plane allows for use on any surface such as metal, fiberglass, wood, etc. Antenna height is 32-inches. Call our fully staffed Tech Department for questions or help at 866-294-1660.