Providing small-signal gain of 18 dB from 75 to 110 GHz, model SBP-7531141833-1010-C1-HR power amplifier operates with a single supply voltage of +18 VDC. Saturated output power is +33 dBm and 1-dB compression typically occurs at +25 dBm. Input and output ports are WR-10 waveguides with anti-cocking flanges.

https://www.eravant.com/75-to-110-ghz-18-db-gain-25-dbm-p1db-in-line-wr-10-waveguide-w-band-power-amplifier