The LLC18-N-FF from Maury Microwave is a Bi-Directional Airline Coupler that operates from 0.6 to 18 GHz. This coupler has a coupling value of 30 dB, directivity of over 15 dB and an insertion loss of under 0.35 dB. It can handle up to 500 watts of CW power. The coupler is available in a module with Type-N Female connectors and is ideal for amplifier power monitoring, base station integration and test & measurement (Load Pull, Antenna Test, General Lab) applications.