The MACP-011058 from MACOM is a Directional Coupler with Frequency 5 to 1250 MHz, Coupling 9.4 to 10.6 dB, Insertion Loss 1.35 to 2.1 dB, Isolation 26 to 42 dB, Return Loss 15 to 25 dB. Tags: Surface Mount. More details for MACP-011058 can be seen below.