The SWP-60390302-12-E1 from ERAVANT is a Waveguide Combiner / Divider with Frequency 60 to 90 GHz, Amplitude Balance ±0.3 to 0.5 dB, Insertion Loss 0.8 dB, Isolation 18 dB, Operating Temperature -40 to 85 Degree C. More details for SWP-60390302-12-E1 can be seen below.