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Frequentis unveils GNSS protection system and unified communications

Image: Frequentis

Frequentis has announced two major developments at Airspace World 2025: a partnership with Dimetor to protect satellite navigation systems and the launch of its Unified Aeronautical Communications solution.

The Austrian-based communication systems specialist is presenting Dimetor's NAVSentry solution, which addresses the growing threat of Global Navigation Satellite Systems (GNSS) interference. The system uses mobile network data to detect GNSS jamming and spoofing in real time, providing detailed alerts to air traffic control systems.

NAVSentry addresses vulnerabilities in GNSS signals, which are unencrypted and therefore susceptible to cyber-attacks. The International Civil Aviation Organisation and other global bodies urged states in early 2025 to better protect this critical radio-frequency band.

"With our mission to contribute to increased safety and performance in ATM and UTM, we bring an answer to the urgent challenge of GNSS interference to the international ATM community gathering in Lisbon," said Reinhard Grimm, vice president air traffic management at Frequentis.

The software continuously monitors airspace for signal interference, providing earlier and broader awareness of spoofing and jamming threats. This supports a more proactive safety approach by complementing existing systems with wider situation awareness capabilities.

Thomas Neubauer, CEO of Dimetor, said: "The solution offers unrivalled GNSS interference protection and enables a new safety concept by providing wider, real-time insight into spoofing and jamming through mobile network data."

Separately, Frequentis unveiled its Unified Aeronautical Communications solution for the first time at the same event. The system integrates voice communication with automation functions through a unified interface, marking a significant milestone in the company's OneATM vision.

The solution combines the X10 voice communication system with the SimCWP automation tool from Frequentis Orthogon, running on the ODS Open Platform. This integration enables seamless information flow between voice and automation systems.

The unified system includes two initial use cases demonstrated at Airspace World. First, a monitoring box displays all controller-pilot messages for selected flight events, allowing controllers to access relevant communication without switching systems. Second, controllers can initiate calls directly from the Controller Working Position Human Machine Interface to the next sector using a smart button in the track label, reducing handover time and avoiding manual dialling errors.

"For the first time, we're showing how integration can simplify daily work for controllers. This is about delivering value in real workflows," said Grimm. "This is about removing unnecessary steps and making communication more intuitive. The existing voice system remains, but now it's available directly in the automation display."

By combining communication and automation functions, Frequentis reduces complexity at the controller working position while increasing redundancy and supporting safer, more efficient operations. The solution is particularly relevant for air navigation service providers aiming to modernise infrastructure while maintaining familiar workflows.

Both solutions are available immediately, with the Unified Aeronautical Communications system on display throughout Airspace World 2025.

Frequentis reported revenues of €480.3 million in 2024 and EBIT of €32.1 million, serving customers in around 150 countries through its worldwide network of companies in over 50 nations.