The QT-30-412 from Pulsar Microwave is a 90 Degree Hybrid Coupler with Frequency 950 MHz to 1.05 GHz, Average Power 1 W, Insertion Loss 0.5 dB, Isolation 20 dB, Coupling 3 dB. Tags: Module with Connectors. More details for QT-30-412 can be seen below.