An approach for connection of an antenna employs an antenna including at least one antenna contact; a swivel collar slidably coupleable with the antenna and including at least one collar contact; and an antenna coupler/connector insertable into the swivel collar. The approach may also be characterized...http://www.google.co.uk/patents/US6043781?utm_source=gb-gplus-sharePatent US6043781 - Low insertion loss connection of an antenna to a mobile radio with retractable swiveling antenna feature