The MCD010040D20H from Meuro Microwave is a Bi-Directional Coupler with Frequency 1 to 4 GHz, Frequency Sensitivity 0.7 dB, Coupling 20±0.7 dB, Power 50 W, Insertion Loss 0.7 dB. Tags: Module with Connectors. More details for MCD010040D20H can be seen below.