*No Money Down Financing. No Credit Needed & 0% Interest Options* . The Reach Tracking Antenna is the ultimate range and communication gaining antenna on the market. Used with Alpha 100, Astro 430, 320, or 220. This comes with a standard SMA male end. . Total width from tip of radial to tip of radial is about 44 inches. Total height from magnet to tip of whip is about 49 inches.