• © Eurofighter - Geoffrey Lee, Planefocus Ltd
    © Eurofighter - Geoffrey Lee, Planefocus Ltd
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    © ESA/ATG medialab
  • © Crown 2013
    © Crown 2013
  • © Boeing / samekindofwonderful
    © Boeing / samekindofwonderful
  • © ESA/P. Carril
    © ESA/P. Carril
  • © NASA / JPL
    © NASA / JPL
  • © Lockhead Martin
    © Lockhead Martin
  • © Deutsche Recruiting
    © Deutsche Recruiting

Passive Microwave & RF Ferrite Isolator & Circulator Solutions

TRAK Microwave Limited has a long history in design and production of high reliability ferrite isolators and circulators dating from 1965. Over the past 50 years, TRAK has developed a reputation for innovative high quality RF components and integrated assemblies. Even though designs, products and applications have changed through the years, our commitment to our customers continues to be unmatched.


The latest news from TRAK.

7 May 2016

TRAK to Supply JCSAT17 Isolators

TRAK has been contracted by an EU customer to supply S-Band space qualified high power isolators for the SSPAs that will be used aboard JCSAT17.…

28 March 2016

Thanks For Over 400,000 Page Views

Thanks. Around 20 months after our site went live and 16 months after we started collecting site statistics we are flattered, and pleased, to share…

19 March 2016

TRAK to Close Over the Easter Break

Enjoy Easter 2016 This year TRAK Microwave Limited is to close over the Easter break. The offices will close at 17:00 on Thursday, 26th of March and will…

7 March 2016

Exomars Launches

Congratulations to everyone involved with the recent successful launch of first mission of the ExoMars programme. Scheduled to arrive at Mars in 2016, this initial…

6 March 2016

International Sales Meeting

Smiths Interconnect Microwave Components Business Unit Sales organisation gathers in Florida to hold an International Sales meeting. The international sales meeting, hosted by FRF/EMCT in…

3 March 2016

Accreditation Presentation Day

Last week, on 24th February 2016 a group from TRAK Microwave Limited travelled to BSI Headquarters in Milton Keynes to attend BSI Accreditation presentation day.…

2 March 2016

SMT S-Band Circulator

TRAK offers an SMT S-Band Circulator for radar applications operating over the 2.9 to 3.4 GHz band. The circulator is suitable for pick & place…

18 February 2016

Welcome Lorch

TRAK is delighted to welcome, effective 15th February, 2016, Lorch into the Smiths Interconnect Microwave Components Business Group. The addition of Lorch Microwave’s RF/microwave conditioning products; high…

16 February 2016

MODE-S Circulator Milestone

TRAK has delivered its 2,000th high power MODE-S Circulator since the design was first qualified almost 15 years ago. The high power circulators operate over…

16 February 2016

5E Employee Engagement Initiative

Smiths Interconnect operates an employee engagement initiative called 5E. The five 'Es' being Engineered for Growth, Ethics, EHS, Employees and Execution. This global initiative is designed…



TRAK Microwave Limited designs and manufactures ITAR free microwave, RF and millimetre wave passive components and sub-assemblies for the defence, space and established reliability industrial communities.

Our products include a range of standard products and application specific solutions in coaxial, microstrip or waveguide technology which provide our customers and prospective customers with a broad choice of technologically differentiated solutions with an unrivalled existing portfolio of ITAR free ferrite isolators, circulators, transitions, terminations, loads and couplers optimised to meet exacting requirements and environments.

Image Courtesy of Thales Alenia Space ©

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RF products have been produced on the TRAK site for a variety of applications  and markets for the past 50 years and we proudly boast that products  developed originally by Ferranti in Dundee are still produced as required by TRAK to this day.

Over 50 years after the Dunsinane Avenue site was opened  TRAK’s support for its original and more recently won customers has never wavered as it continues to broaden its capability developing and supplying products for space, airborne, ground, naval, medical and industrial markets.

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TRAK’s capability spans the design, qualification, manufacture and testing of passive RF products operating in assigned bands from 300 MHz to 55 GHz. All processes are designed to comply with AS9100.


TRAK Microwave’s product design process is directed towards delivering products specifically optimised for users’ applications and operating environments.

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Operations comprises of site manufacturing, in process and product quality and logistical functions. Each of which operates on a flexible shift system designed to make maximum use of the operational assets.

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Piece parts, in-work and finished goods go through a rigorous series of mandatory and random in process and product inspection by a skilled and experienced team of quality assurance inspectors and operators.

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To TRAK, reliability is the combination of many factors and independent of the products we sell nor the markets/applications for which they are intended.

Simply stated, our customers can count on; the service and support prior to and after the sale, our collective desire and efforts to meet delivery agreed commitments, the suitability of the delivered product for the intended application and its fault free performance throughout and beyond its expected life.

And when things do not turn out as planned? We can also be relied upon to ‘be there’ in the case the unexpected occurs. You can rely on TRAK.

TRAK is an AS9100 accredited company.

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