The RDC20-232-75X2+ from Mini Circuits is a Directional Coupler with Frequency 5 to 2350 MHz, Coupling 20.2 to 21 dB, Coupling Variation ±1 to 1.3 dB, Directivity 7 to 22 dB, Average Power 1 W. Tags: Surface Mount. More details for RDC20-232-75X2+ can be seen below.