In one aspect, an antenna pedestal includes a body having an inner cavity. The antenna pedestal includes a portal structure to access the inner cavity of the antenna pedestal. The portal structure also includes a threaded structure disposed around a portal accessing the inner cavity and comprising threads...http://www.google.fr/patents/US8144073?utm_source=gb-gplus-shareBrevet US8144073 - Portal structure providing electromagnetic interference shielding features
Portal structure providing electromagnetic interference shielding features
