The QH9281W from Werlatone Inc is a 90 Degree Hybrid Coupler with Frequency 80 MHz to 1 GHz, Average Power 250 W, Insertion Loss 0.7 dB, Isolation 18 dB, Coupling 3 dB. Tags: Module with Connectors, Surface Mount, Drop In. More details for QH9281W can be seen below.
