Certified as passed Aerial Benchmarking tests. A 36 element High Gain Wideband aerial. F-Connector fittings & dipole balun. Robust design with 18mm boom for rigidity and aluminium wire rod sets for low wind loading. Suited for reception of digital & analogue signals in poor or weak signal areas. Gain 13.6dBi. Front-to-back ratio greater than 28dB.