The ADC-26-52+ from Mini Circuits is a Directional Coupler with Frequency 10 to 500 MHz, Coupling 25.14 to 26.51 dB, Directivity 14.54 to 33.50 dB, Power 2 to 5 W, Average Power 2 to 5 W. Tags: Surface Mount. More details for ADC-26-52+ can be seen below.