The MACP-011119 from MACOM is a Directional Coupler with Frequency 5 to 1800 MHz, Coupling 11.5 to 12.5 dB, Insertion Loss 0.9 to 1.5 dB, Isolation 29 to 36 dB, Return Loss 14 to 23 dB. Tags: Surface Mount. More details for MACP-011119 can be seen below.