The ZNDC-15-2G+ from Mini Circuits is a Directional Coupler with Frequency 800 MHz to 2 GHz, Coupling 14.83 to 15.05 dB, Directivity 16.73 to 35.07 dB, Power 3 W, Average Power 3 W. Tags: Module with Connectors. More details for ZNDC-15-2G+ can be seen below.