The ADC-6-1R+ from Mini Circuits is a Directional Coupler with Frequency 5 to 220 MHz, Coupling 6.07 to 6.19 dB, Directivity 17.12 to 43.32 dB, Power 0.5 to 0.5 W, Average Power 0.5 to 0.5 W. Tags: Surface Mount. More details for ADC-6-1R+ can be seen below.