The MACP-010252-CA0370 from MACOM is a Directional Coupler with Frequency 5 to 870 MHz, Coupling 10 dB, Coupling Variation ±0.5 dB, Amplitude Flatness 1 dB (Coupling Flatness ), Directivity 17 to 23 dB. Tags: Surface Mount. More details for MACP-010252-CA0370 can be seen below.