The APTW4-18002650-214K10-42-S is a K-Band high gain, low noise waveguide amplifier that operates from 18 to 26.5 GHz. It provides a gain of 40 dB with a noise figure 2.40 dB and an output power of 18 dBm. The amplifier has a very low output return loss and a very smooth Gain curve of ±0.7 dB. It has been designed mainly for receiving systems for radar, SATCOM and other wireless applications.