The DQ-DJ-100400-180 from A-Info is a 180 Degree Hybrid Coupler with Frequency 10 to 40 GHz, Amplitude Balance ±1.20 dB, Phase Balance ±12.0 dB, Insertion Loss 3.5 dB, Isolation 15 dB. Tags: Module with Connector. More details for DQ-DJ-100400-180 can be seen below.