The C-1806-20 from Werbel Microwave is a Directional Coupler that operates from 6 to 18 GHz. It provides 20 dB of coupling with 16 dB directivity and has an insertion loss of less than 0.65 dB. The coupler can handle an input power (CW) of up to 50 W, reverse power (CW) of 3 W, and has a VSWR of less than 1.2:1. It is available in an aluminum enclosure with SMA-female connectors and is ideal for isolating, separating, replicating, and combining microwave signals.