Hoogeveen / Madrid, August 14, 2026 – Grupo Ezentis today announced that its subsidiary Grupo Comunicaciones y Sonido (Grupo CYS) has been awarded by AENA the contract to modernize the TETRA mission-critical communications network at Adolfo Suárez Madrid-Barajas Airport. Rohill, as technology partner, will provide its TetraNode platform and technical expertise for the project.

The project, to be completed over a 24-month implementation period, will enhance network security, authentication capabilities, and the resilience of mission-critical communications, ensuring the infrastructure is ready to meet future operational requirements.

As Spain's main international gateway and one of Europe's busiest airports, Adolfo Suárez Madrid-Barajas Airport requires the highest standards of resilience, availability, and operational security. The upgraded network, based on Rohill's TetraNode platform and implemented by Grupo CYS, will modernize and expand its mission-critical communications infrastructure, supporting secure, reliable, and uninterrupted airport operations.

Felipe Navarro Rodríguez, Director at Grupo CYS: "This contract further reinforces Grupo Ezentis' position as a trusted partner in mission-critical communications and critical infrastructure projects. Through the expertise of Grupo CYS and in close collaboration with Rohill, we are proud to support AENA in the modernization of the communications infrastructure at Adolfo Suárez Madrid-Barajas Airport, where operational continuity, resilience and security are essential."