The ZUDC10-183+ from Mini Circuits is a Bi-Directional Coupler with Frequency 500 MHz to 18 GHz, Coupling 10 dB, Average Power 150 W, Power 10 to 50 W, Insertion Loss 0.8 to 2.9 dB. Tags: Module with Connectors. More details for ZUDC10-183+ can be seen below.