QEI’s mission is to be the leading provider of radio frequency (RF) products for the Semiconductor, Industrial and Scientific industries.

QEI's leading-edge products will enable tomorrow's technology needs.

  • QEI has more than 45 years of expertise and commitment to the design, development and manufacturing of RF products.
  • QEI incorporates industry-specific expertise that is built into every QEI product.
  • QEI’s Customer Satisfaction Commitment -- we are here every step of the way.