The DC3G2000B30C50PS-01 from Dyne Tech is a Directional Coupler with Frequency 2 to 4 GHz, Coupling 30 dB, Coupling Variation ±1.25 dB, Directivity 20 dB, Average Power 50 W. Tags: Module with Connectors. More details for DC3G2000B30C50PS-01 can be seen below.