The HC0218-16 from HASCO Components is a Directional Coupler that operates from 2 to 18 GHz. This 16-dB coupler has a directivity of 15 dB and an insertion loss of 0.9 dB. It can handle a peak input power of 3 kW and an average input power of 50 W. The coupler is available in a module that measures 54.10 x 17.78 x 5.08 mm with SMA-female connectors.