The TLPA18G40G-38-27 from Talent Microwave is a Power Amplifier that operates from 18 to 40 GHz. It delivers a saturated output power of 28 dBm (~0.63 W) with a gain of 43 dB and a gain flatness of ±2.5 dB. This amplifier requires a DC supply of 12 V and consumes less than 1.2 A. It is available as a module that measures 60 x 50 x 12 mm with 2.92 mm (female) connectors.
