The SMC-196090 from Scientific Microwave Corporation is a Rectangular Waveguide Hybrid Coupler that operates from 1 to 110 GHz. It is available in coupling values from 3 to 20 dB, provides an isolation of 23 dB, and has a bandwidth of 20%. This coupler has a phase imbalance of ±5° and a coupling sensitivity of ±0.25 dB. It is designed for applications in the X-band spectrum and the directivity and coupling sensitivity can be enhanced for partial band operation. This coupler achieves deep matching and stable coupling level, thereby ensuring a flat response with constant phase difference. It is available in a module with a WR90 waveguide interface and is ideal for high-power beamforming assembly, radar systems, and satellite applications. Pressurized and TVAC units are available on request.