The MACP-010389-CE0880 from MACOM is a Directional Coupler with Frequency 4 to 862 MHz, Coupling 14 dB, Coupling Variation ±2.2 dB, Insertion Loss 0.95 to 1.2 dB, Isolation 26 to 38 dB. Tags: Surface Mount. More details for MACP-010389-CE0880 can be seen below.