The practical design allows it to be mounted vertically or horizontally whilst the Group T & K option has an F connector fitting.Main features:Trumatch impedance matched dipoleTuned reflector to suit each channel groupLightweight durable designVertical or Horizontal MountingEasy assemblyF Connector suppliedForward Gain:15.7dBiFront/Back Ratio: 19dBAcceptance Angle deg ±: 20°Windage N (at 130km/h): 75NLength: 1565mmFrequency Range: 470-694MHz.