The DQ-TJ-15-180 from A-Info is a 180 Degree Hybrid Coupler with Frequency 100 to 500 MHz, Amplitude Balance ±0.4 dB, Phase Balance ±3.0 dB, Insertion Loss 1.2 dB, Isolation 25 dB. Tags: Module with Connector. More details for DQ-TJ-15-180 can be seen below.