The MACP-008311-CE0370 from MACOM is a Directional Coupler with Frequency 5 to 1000 MHz, Coupling 14 to 14.3 dB, Coupling Variation ± 0.5 to 0.7 dB, Directivity 13 to 25 dB, Insertion Loss 0.8 to 1.8 dB. Tags: Surface Mount. More details for MACP-008311-CE0370 can be seen below.