Wide range of double ridge and rectangular waveguide components and coaxial components for frequencies from DC to 40GHz. These include:- horn antennas, rotary joints, OMTs, attenuators, TEM cells, filters, couplers, transitions, millimetre wave components, adaptors, terminations and custom waveguide assemblies. The rotary joints are both waveguide and coaxial and cover satellite communications applications. Wide range of horn antennas:- from standard gain horns to broadband, double ridge horn antennas and custom designs. Satcom waveguide feed assemblies can integrate waveguide filters, OMTs, rotary joints and horn antenna.