The QS2-06-463/2S from Pulsar Microwave is a 90 Degree Hybrid Coupler with Frequency 6 to 12.4 GHz, Insertion Loss Coupling Loss : 3.4 ± 0.8 dB, Isolation 17 dB, Coupling 3 dB, Amplitude Balance 1.4 dB. Tags: Module with Connectors. More details for QS2-06-463/2S can be seen below.