An antenna tube configured to accommodate a grounding clip and an antenna, the antenna tube having a cylindrical tube having an upper end and an inner end opposite the upper end; a circumferentially extending groove in the cylindrical tube located between the upper end and the inner end; and a tapered...http://www.google.fr/patents/US7394434?utm_source=gb-gplus-shareBrevet US7394434 - Combination of tube assembly and clip for wireless antenna grounding
Combination of tube assembly and clip for wireless antenna grounding
