The ZFDC-10-5+ from Mini Circuits is a Directional Coupler with Frequency 1 MHz to 2 GHz, Coupling 10.7 to 11.68 dB, Directivity 19.78 to 49.57 dB, Power 0.5 W, Average Power 0.5 W. Tags: Module with Connectors. More details for ZFDC-10-5+ can be seen below.