XMA
XMA Corporation, formerly known as Omni Spectra, is a leading US manufacturer of RF connectors, adapters, and passive coaxial components. Over 60 years of experience delivering high-precision RF interconnect solutions up to 67 GHz.
DC – 67 GHzAdaptersConnectorsCryogenicPrecision
Complete XMA / Omni Spectra Portfolio
Available across Europe via bq-microwave – rapid delivery and expert technical support.
Coaxial Adapters
up to 18 GHz
Comprehensive range covering all major connector interface combinations.
Coaxial Attenuators
up to 65 GHz
High-precision fixed and variable models, including standard and cryogenic variants.
Cryogenic Attenuators
up to 65 GHz
Ultra-low-temperature models engineered for quantum computing and dilution refrigerator systems.
Cryogenic Terminations
up to 65 GHz
Matched loads designed for quantum research and cryogenic measurement environments.
Directional Couplers
up to 18 GHz
Precision sampling tools for power monitoring and test configurations.
DC Blocks
up to 50 GHz
Inner- and outer-connector variants providing galvanic isolation across the signal path.
STRENGTHS
Why Choose XMA / Omni Spectra?
Quantum Computing Pioneer
One of the few manufacturers worldwide offering dedicated cryogenic portfolios for qubit control systems and dilution refrigerators.
TVAC Space Pedigree
Flight-proven heritage across satellite platforms and deep-space missions, from LEO to interplanetary exploration.
Omni Spectra Heritage
Trusted legacy brand in US mil/aerospace, now unified under XMA Corporation with relentless manufacturing standards.
Made in USA – Design + Manufacturing
Complete engineering and production at a single US facility in Manchester, NH, fully ITAR-compliant.
Cryogenic Attenuators to 67 GHz
Purpose-built for quantum lines, reducing thermal noise and improving qubit coherence times.
Premium Passive Component Range
Adapters, attenuators, terminations, DC blocks, power dividers, couplers, and equalisers – all engineered to exacting tolerances.
Where XMA is Deployed
Quantum Computing
Cryogenic attenuators, DC blocks, and adapters for microwave control lines in quantum processors.
Space & Satellite
TVAC-qualified assemblies for Earth orbit, GEO/MEO/LEO constellations, and science missions with extreme radiation exposure.
Mil/Aerospace
MIL-compliant passive assemblies for defence and avionics platforms.
5G Communication
High-frequency adapters, couplers, and dividers supporting mmWave 5G infrastructure rollout.
Test & Measurement
Precision attenuators and adapters with low VSWR for laboratory-grade metrology.
Cryogenic Research
Beyond quantum: low-temperature physics, materials science, and radio astronomy applications.
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