The Oricom ANU1100 All Terrain Antenna is our most popular innovation in the range of heavy duty and purpose built UHF CB Antennas. This super convenient pack includes a 3dBi short antenna including heavy duty large parallel spring base with elevated feed. The pack also includes a simple to install extension fibreglass whip to convert the 3dBi base to a 6.5dBi antenna. Essentially you have the best of two different gain options| in one convenient pack. Simply add the larger whip when you are travelling on flat| open terrain. Alternatively| take the whip off and the 3dBi is perfectly suited to hilly or more mountainous terrain.