The JDMH0825R from DFINE Technology is a 90 Degree Hybrid Coupler with Frequency 800 MHz to 2.5 GHz, Insertion Loss 0.7 dB, Isolation 20 dB, Coupling 3 dB, Amplitude Balance ± 0.8 Degree. Tags: Module with Connectors. More details for JDMH0825R can be seen below.