The SWP-55367304-15-E1 from ERAVANT is a Waveguide Combiner / Divider with Frequency 55 to 67 GHz, Amplitude Balance ±0.2 dB, Insertion Loss 1 to 1.2 dB, Isolation 20 dB, Operating Temperature -40 to 85 Degree C. More details for SWP-55367304-15-E1 can be seen below.