The APTW4-02200230-50K14-430 from AmpliTech is a low noise amplifier that operates from 2.2 to 2.3 GHz. It delivers an output power of 14 dBm with a gain of over 50 dB and a noise temperature of less than 50 degrees K. The amplifier requires a 15 V supply and has a 1.5:1 VSWR.