The MACP-011109 from MACOM is a Directional Coupler with Frequency 5 to 1200 MHz, Coupling 14.75 to 16.25 dB, Insertion Loss 0.5 to 0.8 dB, Isolation 23 to 28 dB, Return Loss 17 to 23 dB. Tags: Surface Mount. More details for MACP-011109 can be seen below.