The MACP-011054 from MACOM is a Directional Coupler with Frequency 5 to 1225 MHz, Coupling 8.5 to 9.5 dB, Insertion Loss 1.4 to 1.90 dB, Isolation 26 to 42 dB, Return Loss 15 to 26 dB. Tags: Surface Mount. More details for MACP-011054 can be seen below.