The MFJ-1750 MFJ 5/8 2m Ground Plane, Look at all you get at an incredible price! You get a 300-watt 5/8 wave ground plane base antenna for 2 Meters that gives you the maximum possible calculated gain of any single-element antenna. Other 5/8 waves can't work any better -- no matter how much they cost. You get a shunt-fed matching network for the lowest possible SWR over the entire 2-meter band. Plus, it bleeds off unwanted static. You get MFJs Rapid Tune Radiator for quick accurate tuning. You get a ceramic insulator for low RF loss. Result? The maximum radiated power is achieved. Easy installation to any 1 to 1 1/2 inch mast, (not included) with a single U-bolt (included). You get strong lightweight aluminum construction thats protected by MFJs Permanent Molecular Bonding Technology. This super durable finish actually bonds itself to aluminium molecules 00 it won't come off unless metal comes off! You get MFJs famous No Matter What one-year limited warranty. This deal gets you the most incredible value in a 5/8 wave base station ground plane. Remember, other 5/8 wave ground planes can't work any better. very competitively priced.