The C-140-10 from ET Industries is a Directional Coupler that operates from 1 to 40 GHz. It has a coupling of 10 dB, an insertion loss of less than 2.5 dB and an impedance of 50 ohms. The coupler has a VSWR of 1.7:1 with a directivity of over 10 dB. Multiple connector options are available.