The DQS-30-500 from Synergy Microwave Corporation is a 90 Degree Hybrid Coupler with Frequency 30 to 500 MHz, Average Power 10 W, Insertion Loss 1.3 to 1.8 dB, Isolation 15 to 22 dB, Coupling 3 dB. Tags: Surface Mount. More details for DQS-30-500 can be seen below.