The JDMH1530S from DFINE Technology is a 180 Degree Hybrid Coupler with Frequency 1.5 to 3 GHz, Coupling 3 dB, Amplitude Balance ±0.5 dB, Phase Balance ±6 Degree, Insertion Loss 0.5 dB. Tags: Module with Connector. More details for JDMH1530S can be seen below.