The JSO-51-471/6S from Pulsar Microwave is a 180 Degree/3 dB Hybrid Coupler that operates from 6 to 40 GHz. It has an insertion loss of less than 3 dB and isolation over 13 dB with good amplitude and phase balance. The coupler can handle up to 20 watts of power and has a VSWR of 1.90:1. It is available in a module that measures 1.6 x 1.6 x 0.4 inches with 2.92 mm connectors.
