The D2DE20F from EMC Technology & Florida RF Labs is a Directional Coupler with Frequency 1 to 2 GHz, Coupling 20 dB, Coupling Variation ±0.7 to 1.5 dB, Directivity 18 to 19 dB, Power 160 W. Tags: Surface Mount. More details for D2DE20F can be seen below.