The SJ-K5 from Synergy Microwave Corporation is a 180 Degree Hybrid Coupler with Frequency 500 MHz to 2.2 GHz, Average Power 150 mW, Coupling 3 dB, Amplitude Balance 0.5 to 0.75 dB, Phase Balance 5 to 7 Degree. Tags: Surface Mount. More details for SJ-K5 can be seen below.