The DQ-DJ-180500-180 from A-Info is a 180 Degree Hybrid Coupler with Frequency 18 to 50 GHz, Amplitude Balance ±1.50 dB, Phase Balance ±15.0 dB, Insertion Loss 4.8 dB, Isolation 12 dB. Tags: Module with Connector. More details for DQ-DJ-180500-180 can be seen below.