The DJS-345 from Synergy Microwave Corporation is a 90 Degree Hybrid Coupler with Frequency 30 to 450 MHz, Average Power 5 W, Insertion Loss 0.2 to 0.75 dB, Isolation 18 to 23 dB, Coupling 3 dB. Tags: Surface Mount. More details for DJS-345 can be seen below.