Improve your signal!   The Wilson Trucker Cellular Antenna is a versatile cellular antenna that works great on trucks, cars, boats, homes, or almost any other application.  Its main benefit over our other dual band antennas is the tall fiberglass shaft which gets it up and away from anything which may interfere with its signal.  This is especially useful on large trucks and home installations.  Works on any surface - metal, fiberglass, wood, etc. (no ground is required) FEATURES: Dual-Band & Tri-Mode: 800MHz & 1900MHz Analog and Digital Compatible with all Cellular, PCS and iDEN providers Works great on Semi Trucks, RVs, Boats, Homes or almost any other application No ground plane required: built-in ground plane allows for use on any surface - Metal, Fiberglass, Wood, etc Built in spring reduces impact damage 5/8" x 7" threaded brass mounting rod spans the distance between RV's roof and headliner 5/8" threaded brass rod can be easily cut for various mounting depths Includes all mounting hardware Over 10 times more signal than a cell phone used inside vehicle without an external antenna Patented Part #: 301119 UPC:8-13986-00410-4     *Free Shipping only applies to orders shipped within the U.S. *All Wilson Cellular Antennas require a phone adapter cable in order to connect to your cell phone FAQs - Click Here for more information on Antennas and Amplifiers.