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Castle Microwave

Castle Microwave Limited

Newbury, Berkshire, United Kingdom

MRO & LogisticsDual-use
Founded 1981Component SupplierSupplies Homeland Security & Police
Profile last updated: June 16, 2026

About

Founded in 1981, Castle Microwave is a defense component supplier based in Newbury, United Kingdom working in mro & logistics.

Castle Microwave is a UK supplier of RF and microwave components, subsystems and systems for military, space, telecoms, smart energy and test and measurement markets. It offers design and development support with fast prototyping, a test laboratory, and repair and calibration services with an emphasis on passive intermodulation, antenna measurement and anechoic chambers. Its portfolio includes cables and connectors, couplers, mixers, low noise amplifiers, circulators and isolators, and test chambers. The company holds BSI accreditation to ISO 9001:2015.

Location

Newbury, United Kingdom

Founded

1981

Company type

Limited company

Legal name

Castle Microwave Limited

Registration

01874256

Focus areas

RF & MicrowaveComponentsTest & MeasurementAnechoic ChambersPassive IntermodulationRepair & CalibrationMilitarySpaceHomeland & Counter Terror

Languages

EN

Products & capabilities

Defense domains

MRO & Logistics

Supply-chain role

Component Supplier

What they offer

ComponentsEngineering ServicesMaintenance & Repair

Markets

Also sells to civilian markets

Products

Tower-Mounted Amplifiers

RF system

Tower-mounted amplifier systems for RF applications.

Passive Intermodulation Equipment

Test equipment

Passive intermodulation test equipment for telecom systems.

Anechoic Chambers

Test chamber

Design, manufacture and installation of anechoic and EMC test chambers, from benchtop enclosures to vehicle testing chambers.

Antenna Test Ranges

Test system

Antenna measurement and test range systems.

End users

Homeland Security & Police

Standards, platforms & customers

Defense standards

ISO 9001:2015

Credentials & affiliations

Certifications

ISO 9001:2015

Issued by: BSI
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