The WMQH-6-12.4-S from Werbel Microwave is an Octave Band 90° Hybrid Coupler that operates from 6 to 12.4 GHz. This 3 dB coupler has an insertion loss of up to 3.5 dB and an isolation of 17 dB. It has an amplitude balance of 0.3 dB and a phase balance of 2.5 degrees. This hybrid coupler can handle an input CW power of up to 30 W and has a return loss of 16 dB. It is available in an aluminum module that measures 1.00 x 0.50 x 0.38 inches and has SMA-female connectors.
