The MCD005180D20M from Meuro Microwave is a Bi-Directional Coupler with Frequency 0.5 to 18 GHz, Frequency Sensitivity 1.2 dB, Coupling 20±1.2 dB, Power 50 W, Insertion Loss 2.4 dB. Tags: Module with Connectors. More details for MCD005180D20M can be seen below.