Interested in high performance antennas, filters, multicouplers, isolators, circulators etc. ?  Radata Systems are non stocking distributors for Sinclair Technologies in Toronto Canada.  You can view the latest Sinclair catalogues here....

http://www.sinclairtechnologies.com/catalog/default.aspx

There are a huge range of products available for many applications and vertical markets.  Call Radata Systems if you are interested in any Sinclair products.