Active Components Amplifiers Antennas & Positioners Avionics Cables Connectors Passive Component (W.G./Coax) RF Photonics Satellite Communication System Sources up to 40 GHz Special Custom design Test & measurment solution Home   About us   Services   Suppliers   Clients   Contact Us RF Adapters Precision RF Adapters     UBS offers a standard product line of precision rectangular waveguide-to-coax adapters covering waveguide sizesfrom WR-28 through WR-430. Company Web Site Developed & Powered By: Pluto-Group LTD.