The DQ-DJ-20124-180 from A-Info is a 180 Degree Hybrid Coupler with Frequency 2 to 12.4 GHz, Amplitude Balance ±0.50 dB, Phase Balance ±8.0 dB, Insertion Loss 1.8 dB, Isolation 17 dB. Tags: Module with Connector. More details for DQ-DJ-20124-180 can be seen below.