The MACP-011108 from MACOM is a Directional Coupler with Frequency 5 to 1800 MHz, Coupling 16.8 to 18.6 dB, Insertion Loss 0.4 to 1.25 dB, Isolation 21 to 34 dB, Return Loss 15 to 27 dB. Tags: Surface Mount. More details for MACP-011108 can be seen below.