An in-line and ninety degree filter assembly is provided in the present invention for coupling a coaxial cable thereto. The coaxial cable has a coaxial wire disposed therein. The filter assembly includes a filter body that has a first end and a second end spaced apart from the first end. A circuit board...http://www.google.com.au/patents/US6165019?utm_source=gb-gplus-sharePatent US6165019 - Coaxial cable filter assembly