4 elements Yagi Beam antenna working on 27 MHz band with Gamma Match System. It has been completely made of anticorodal aluminium and supplied with big section Boom and steel bracket for the fitting on the support mast. The fixing part with rapid mounting system is made of die-cast metal to get the maximum strength. Every elements is supplied with jointing sleeves of polythene for a perfect water-proofing. Its supplied with UHF Female connector.