The DQS-30-750-1 from Synergy Microwave Corporation is a 90 Degree Hybrid Coupler with Frequency 30 to 520 MHz, Average Power 1 W, Insertion Loss 1.8 to 2.5 dB, Isolation 13 to 18 dB, Coupling 3 dB. Tags: Surface Mount. More details for DQS-30-750-1 can be seen below.