The MACP-011059 from MACOM is a Directional Coupler with Frequency 5 to 1250 MHz, Coupling 11.5 to 12.5 dB, Insertion Loss 0.75 to 1.2 dB, Isolation 20 to 32 dB, Return Loss 18 to 26 dB. Tags: Surface Mount. More details for MACP-011059 can be seen below.