The ZFDC-10-182+ from Mini Circuits is a Directional Coupler with Frequency 10 MHz to 1.8 GHz, Coupling 9.4 to 11.9 dB, Directivity 18 to 31.7 dB, Power 0.5 W, Average Power 0.5 W. Tags: Module with Connectors. More details for ZFDC-10-182+ can be seen below.