The 2020-6631-30 from MACOM is a Directional Coupler with Frequency 12.4 to 18 GHz, Coupling 30 dB, Coupling Variation ±0.75 dB, Frequency Sensitivity ±0.50 dB, Directivity 12 dB. Tags: Module with Connectors. More details for 2020-6631-30 can be seen below.