The leader in innovation and design for RF Products.

Founded in 1971, QEI Corporation innovates, designs, and manufactures RF industrial power systems used in the Semiconductor, Scientific, Industrial, Laser and Broadcast industries. With QEI’s combined technology offering of hybrid based and solid-state systems, the company has the widest product offering in the RF amplifier industry. QEI in many cases offers the only solution to the technological challenges faced by its customers.