Quantic PMI Model PA-2040-22G-8W-18V-292FF is a high-power amplifier with an operating frequency range of 20 to 40 GHz that offers 22 dB of gain and a saturated output power of 8 W.   Package size is 2.5" x 1.5" x 0.4" with removable 2.92mm female connectors.  https://www.quanticpmi.com/product-details/pa-2040-22g-8w-18v-292ff