The MQS-0209UB from Marki Microwave is a 90 Degree Hybrid Coupler with Frequency 2 to 9 GHz, Average Power 10 W, Insertion Loss 2.5 to 5.2 dB, Isolation 9 to 16 dB, Coupling 3 dB. Tags: Module with Connectors. More details for MQS-0209UB can be seen below.