The MACP-011045 from MACOM is a Directional Coupler with Frequency 5 to 1225 MHz, Coupling 20.5 to 27.5 dB, Insertion Loss 0.2 to 1.2 dB, Isolation 20 to 50 dB, Return Loss 10 to 37 dB. Tags: Surface Mount. More details for MACP-011045 can be seen below.