For decades, Cobra Electronics has been the world"s largest-selling and most respected manufacturer of CB radioa and the Cobra HG A400 antenna sets the standard for CB fiberglass whip antenna performance. In addition to a highly distinctive design, it offers state-of-the-art technology and an exclusive combination of features. Cobra CB antennas are the undisputed #1 choice of professional drivers. Features: Ultimate 4-foot tunable whip antenna Computer controlled variable pitch winding for greater bandwidth Non corrosive black-chrome plated stainless steel hardware Fade resistant polyethylene jacket SuperCorona Tip for maximum range & clarity Heavy duty 16-gauge copper wire for unsurpassed power Computer controlled variable pitch winding for greater bandwidth Broad banded frequency range (26-30 MHz) Receives weather band (26-30MHz) Tunable Weather Works with all CB"s and 10-meter radios Made in the USA with a Lifetime Warranty!