The HH-128-PIN from MACOM is a 180 Degree Hybrid Coupler with Frequency 20 MHz to 2 GHz, Average Power 0.5 W, Coupling 3 dB, Amplitude Balance 0.5 to 1.2 dB, Insertion Loss 2.5 to 3 dB. Tags: Surface Mount. More details for HH-128-PIN can be seen below.