The DQ-DJ-20180-180 from A-Info is a 180 Degree Hybrid Coupler with Frequency 2 to 18 GHz, Amplitude Balance ±0.60 dB, Phase Balance ±10.0 dB, Insertion Loss 2.8 dB, Isolation 16 dB. Tags: Module with Connector. More details for DQ-DJ-20180-180 can be seen below.