MFJ-1760 gives a whopping 8 dBi gain on 2-Meters and 6 dBi gain on 440 MHz. Has 3-elements on two meters and 5-elements on 440 MHz. Requires only one feedlinefor true dual band performance. Point in direction of your QSO for more direction of your output power. This reduces interference and increases signal strength. Has 17 dB front-to-back ratio on 2-Meters and 10 dB on 440 MHz. Handles 500 Watts. The longest element is 40.5 inches and the boom is 45 inches. Mast diameter is 1.5 inches. Weighs just 2 pounds.