The SMC-073TEM0208 from Scientific Microwave Corporation is a TEM Single Loop Coupler that operates from 2 to 8 GHz. It is available in coupling values from 30 to 60 dB with a directivity of 14 dB and has a VSWR of 1.4:1. This coupler is available in a module with various coaxial connector options and also has an option for pressurized and TVAC units.