The DQS-30-90 from Synergy Microwave Corporation is a 90 Degree Hybrid Coupler with Frequency 30 to 90 MHz, Average Power 25 W, Insertion Loss 0.3 to 0.6 dB, Isolation 18 to 23 dB, Coupling 3 dB. Tags: Surface Mount. More details for DQS-30-90 can be seen below.