Solarcon I-MAX 2000 CB/Ham Radio Base Station Vertical Antenna - 24' Handles 5000 Watts Full 5/8 Wave Antenna 24' Antenna in Three Easy to Assemble Sections 5.1dBI Gain. Operates effectively on 6 through 20 Meter bands with a tuner, 10/11M without tuner. Includes U-Clamps to attach to optional mast pipe.