The SWP-55365304-15-E2 from ERAVANT is a Waveguide Combiner / Divider with Frequency 55 to 65 GHz, Amplitude Balance ±0.4 dB, Insertion Loss 1 dB, Isolation 25 dB, Operating Temperature -40 to 85 Degree C. More details for SWP-55365304-15-E2 can be seen below.