The UK’s premier designer and manufacturer

of passive waveguide components

Flann designs and manufactures a comprehensive range of passive waveguide components covering frequencies from 1GHz to 500GHz.

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From Microwave Communications to Fundamental Physics Research, Flann Microwave provides products and solutions for a wide range of markets

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Flann Microwave is not just about standard products. In fact we can design complete custom solutions, provide calibration services, refurbish existing equipment and much more.

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Latest News

Visit us at IMS2016, San Francisco

We’re in the middle of a busy exhibition here in San Francisco. It has been great to meet so many of our customers – if you’re at the show, please come and see us at Booth 2532!



Flann at IMS 2016

For 2016 the International Microwave Symposium IMS2016 is being held in San Francisco at The Moscone Center at 747 Howard St., San Francisco, CA 94103. Flann Microwave will be exhibiting a selection of our world leading waveguide components on booth 2532. Please drop by and meet our sales and marketing team or, if you would like to arrange a…


Testing 330 GHz frequency meter

Testing complete for new 330 GHz frequency meter

Flann’s engineers have just completed final testing of the first 330 GHz cavity frequency meter. This Power-over-Ethernet controlled device is able to repeatably tune a ‘notch’ frequency response to any frequency within the waveguide band of 217 – 330 GHz, and this allows the frequency accuracy of measurement systems to be confirmed. Frequency measurement is…