The DQK-100-1000S from Synergy Microwave Corporation is a 90 Degree Hybrid Coupler with Frequency 100 MHz to 1 GHz, Average Power 1 W, Insertion Loss 1.5 to 2.3 dB, Isolation 16 to 23 dB, Coupling 3 dB. Tags: Module with Connectors. More details for DQK-100-1000S can be seen below.