The CPA-1001-56H from MiniRF is a Surface Mount Directional Coupler than operates from 5 MHz to 1000 MHz. It provides a coupling of 6.5 dB with a directivity fo 15 dB and insertion loss of 1.9 dB. This small, low cost surface mount coupler is matched to 50 ohms at the ports and has a return loss of 18 dB. It can be used in a wide range of wireless and communication systems.