The XMADC50-2-8-20S from XMA Corporation is a Directional Coupler with Frequency 2 to 8 GHz, Coupling 20 dB, Directivity 20 dB, Average Power 50 W, Insertion Loss 1.3 dB. Tags: Module with Connectors. More details for XMADC50-2-8-20S can be seen below.