Quantic PMI Model PA-2G18G-43-5-40-SFF is a high-power amplifier with an operating frequency of 2 to 18 GHz offering remarkably high gain of +43 dB Typ/+35 dB Min and saturated output power of 40 dBm (10 W) Typ / 35 dBm Min. Specifications include low noise figure of 3.5 dB Typ: gain flatness of ±3.5 dB Max; and VSWR of 2.5:1. This model has 2.92mm connectors and an ultra-small package of 1.3” x 1.8” x 0.88”.  Optional model PA-2G18G-43-5-40-SFF-HS available with heatsink and 120 Vac fan.  https://www.pmi-rf.com/product-details/pa-2g18g-43-5-40-sff