The SWP-71386302-12-S1-WP from ERAVANT is a Waveguide Combiner / Divider with Frequency 71 to 86 GHz, Amplitude Balance ±0.3 to 0.5 dB, Insertion Loss 0.4 dB, Isolation 20 dB, Return Loss 12 to 15 dB. More details for SWP-71386302-12-S1-WP can be seen below.