Transistors - FETs, MOSFETs - RF are essential in amplifying and switching high-frequency signals in RF applications. They offer high input impedance and fast switching speeds, making them ideal for use in communication systems and RF signal processing equipment.

Manufacturers such as Cree, NXP Semiconductors, and Infineon Technologies provide high-quality RF FETs and MOSFETs, ensuring optimal performance and reliability. These transistors enhance the efficiency and effectiveness of RF circuits, contributing significantly to the advancement of communication technologies.