The QS2-03-463/2N from Pulsar Microwave is a 90 Degree Hybrid Coupler with Frequency 2 to 4 GHz, Average Power 100 W, Insertion Loss Coupling Loss : 3.3 ± 0.30 dB, Isolation 20 dB, Coupling 3 dB. Tags: Module with Connectors. More details for QS2-03-463/2N can be seen below.