The XMADC50-2-18-30S from XMA Corporation is a Directional Coupler with Frequency 2 to 18 GHz, Coupling 30 dB, Directivity 10 dB, Average Power 50 W, Insertion Loss 0.8 dB. Tags: Module with Connectors. More details for XMADC50-2-18-30S can be seen below.