The DC2250M1500B20C50PS-01 from Dyne Tech is a Directional Coupler with Frequency 1.5 to 3 GHz, Coupling 20 dB, Coupling Variation ±1.2 dB, Directivity 20 dB, Average Power 50 W. Tags: Module with Connectors. More details for DC2250M1500B20C50PS-01 can be seen below.