The HC015025-8S_B from Panda Microwave is a 180 degree Hybrid Coupler that operates from 1.5 to 2.5 GHz. It has a coupling factor of 3 dB with an insertion loss of 0.5 dB and an isolation of 20 dB. The coupler can handle up-to 50 W of average input power and has a VSWR of 1.3:1. It has an amplitude balance of 0.8 dB and a phase balance of 14 degrees. The coupler is available in a module that measures 60 x 49 x 12.7 mm with SMA-Female connectors.