The MACP-009821-CG0650 from MACOM is a Directional Coupler with Frequency 5 to 862 MHz, Coupling 15.6 to 16 dB, Coupling Variation ± 0.2 to 0.5 dB, Insertion Loss 1.05 to 1.25 dB, Isolation 29 to 33 dB. Tags: Surface Mount. More details for MACP-009821-CG0650 can be seen below.