RadCom1760 gives a whopping 9 dBi gain on 2-Meters and 11 dBi gain on 440 MHz. Has 3-elements on two meters and 5-elements on 440 MHz. Requires only one feedline for 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 50 Watts. Mast diameter is 1.0 inches. Very Lightweight and designed for portable use. Easy Color Coded Wingnut Assembly for portable use. Stainless steel Hardware included. Mount Horizontal or Vertical. Has Standard UHF (SO-239 ) Connector. Just add Coax and Radio and you are on the air