The MACP-011037 from MACOM is a Directional Coupler with Frequency 5 to 1225 MHz, Coupling 9.7 to 10.9 dB, Insertion Loss 1.3 to 1.8 dB, Isolation 18 to 30 dB, Return Loss 10 to 22 dB. Tags: Surface Mount. More details for MACP-011037 can be seen below.