The ADC-10-4-75R+ from Mini Circuits is a Directional Coupler with Frequency 5 MHz to 1 GHz, Coupling 9.67 to 9.88 dB, Directivity 20.16 to 21.29 dB, Power 1 W, Average Power 1 W. Tags: Surface Mount. More details for ADC-10-4-75R+ can be seen below.