Radio frequency and microwave systems

Communications Supply & Support Ltd

Communications Supply & Support Limited (CSS) is a privately owned UK SME based in Essex, United Kingdom with a strong engineering background in varied disciplines including analogue, digital and radio frequency electronics, power systems, mechanical engineering and control software development.​

The Company has a long history working with US equipment manufacturers, UK Government departments, intelligence agencies, defence establishments and systems houses in the UK, US and Europe in addition to providing engineering support to small businesses in other fields including aerospace, automotive and light industry. more

CSS can provide a comprehensive, end-to-end local UK service including marketing, import, sales, equipment maintenance and repair to component level, equipment calibration, electronic test, compliance engineering, PDS, system integration and technical / in-field support, or can provide assistance in any of these areas. 

Our specialist business activities encompass RF and microwave receiving systems up to 110GHz, wireless surveillance and exploitation products, signal processing equipment, signal and data recording products, IT and display equipment, and bespoke software control applications.​

CSS has its own in-house electronic and mechanical design facilities and develops its own proprietary products including RF components, RF interface and distribution systems, complete RF system front ends and frequency converters, bespoke power supplies and custom hardware.

CSS is a privately owned SME specialising in RF & microwave SIGINT/ELINT systems engineering for Government, intelligence and defence establishments, systems houses and contractors to the above.

 CSS can provide extensive support services including equipment import, sales, marketing, service, repair to component level, test, calibration, modification, PDS, system integration, technical and in-field support.

Our laboratories are fully calibrated for most pertinent RF measurements to 40GHz, with some to 70GHz with extensive use made of ATE and proprietary software for 24-hour automated test.

Our experience extends to 110GHz for special projects.

In-house facilities include electronic, PCB & 3D mechanical design, firmware and software development and assembly of proprietary electronic equipment.



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Communications Supply & Support Ltd
The Estate Offices, Hayles Manor Farm, Upland Road, Thornwood, CM16 6PQ
CM16 6PQ, Thornwood.
United Kingdom

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