The Black Extended Long Range Folding Antenna will more than double your range over your stock rubber antenna. With this antenna there is no need to buy extra connector to make this work with your Astro 220, 320, 430, Alpha 100, Alpha 200, or Alpha 200i. Folds down to 7.5" and extends out to 47.5". If you hunt on foot and your hounds hunt long range this is the antenna for you.