Cambridge Radio Frequency Systems (CRFS) is a leading developer of software-defined RF sensors and signals intelligence (SIGINT) payloads for military platforms and tactical unmanned systems (UxS).
Defense Advancement is pleased to announce the addition of CRFS to our global supplier ecosystem. Their DA supplier profile highlights a comprehensive portfolio of software-defined RF sensing technologies and SIGINT payloads.
As spectrum congestion and signal density continue to increase, CRFS delivers robust solutions that support operational and regulatory requirements across the electromagnetic domain. Trusted by defense organisations, national regulators, and intelligence agencies worldwide, the company’s RFeye technology provides proven, NATO-deployed capabilities for multi-domain operations spanning land, air, and maritime environments.
Key products and capabilities include:
- RFeye Node Series: Modular, software-defined RF sensors with frequency coverage up to 40 GHz, enabling real-time spectrum monitoring, recording, and geolocation.
- Passive SIGINT Payloads: Covert RF detection and geolocation capabilities that transform unmanned platforms into electronic warfare assets without emitting signals.
- Edge Processing & Data Efficiency: Reduced communications bandwidth requirements with onboard processing and I/Q data recording for real-time and post-mission analysis.
- Multi-Domain Integration: Seamless deployment across UAVs, UGVs, and USVs, supporting ISR, C-UAS, and air defence operations.
- Modular & Scalable Architecture: Flexible payload configurations that support rapid integration, mission adaptability, and evolving operational requirements.
CRFS’ RFeye technology enables armed forces to expand ISR coverage, enhance situational awareness, and accelerate targeting processes through real-time signal detection and geolocation. With rapid deployment capabilities and support for operation in contested or degraded environments, these systems provide critical intelligence at the tactical edge.
To learn more about CRFS and their advanced RF sensing and SIGINT solutions, visit their full profile on DA: https://www.defenseadvancement.com/company/crfs/





