The ZDC-2375 (+) from Mini Circuits is a Directional Coupler with Frequency 50 to 100 MHz, Coupling 10.57 to 10.64 dB, Directivity 52.45 to 55.26 dB, Power 4 W, Average Power 4 W. Tags: Module with Connectors. More details for ZDC-2375 (+) can be seen below.