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

Media focus puts Flann in the Spotlight

Flann played a starring role in a BBC TV news broadcast last month as part of a week-long series of features on successful business based in the South West of England. Aptly titled ‘Under the Radar’, the series for BBC South West’s Spotlight evening news programme showcased five companies who have built successful long-term track…


Flann marks 60 years of success

Flann Microwave is celebrating 60 years of success which has seen the company become the market leader in the design and manufacture of precision microwave communications equipment. It has been a remarkable journey for the business founded in Kingston Upon Thames, Surrey, UK, in 1956 by engineer Bernard Fleming, who took his experience in radar…


Why COTS makes no sense for waveguides at millimeter wave

There are really good reasons for considering commercial, off-the-shelf (COTS) products rather than custom designs in many technology and application areas. Indeed considering COTS is mandatory for many organisations and even enshrined in law for US government procurement.¹

The main reasons for using COTS components are rapid availability, low cost and low risk. Clearly in many markets it is far better to buy a product that is in stock, already sold by the thousand and is well proven than to design something special for the purpose.

But this isn’t true for millimeter wave waveguides!