This antenna has high gain and is intended for operate in structure of base station Tetra system on frequencies 380-400 MHz. Design of the antenna-4 collinear radiators phased by coils. The wide working band is provided by big diameter radiators. Instead of radials are used 1/4 wavelenght suppressor.
Fiberglass radome protects from any weather. Clamps from stainless steel facilitate fast dismantle of the antenna.