Narrowband  |  2026-08-04

Grupo CYS to Modernize TETRA Communication Networks at Nine AENA Airports

Source: The Critical Communications Review | Gert Jan Wolf editor

36-month contract will strengthen network security, authentication and resilience across Spain's mission-critical airport communications infrastructure

Grupo Ezentis today announced that its subsidiary Grupo Comunicaciones y Sonido (Grupo CYS) has been awarded a contract by Spanish airport operator AENA to upgrade the TETRA communication networks serving nine airports across Spain. The project's technology partner will supply its TetraNode platform and technical expertise in support of the works.

To be completed over 36 months, the project will enhance network security, authentication capabilities and the resilience of mission-critical communications, ensuring the infrastructure is prepared to meet future operational requirements.

The airports covered by the project are Lanzarote Airport (ACE), Bilbao Airport (BIO), Federico García Lorca Granada-Jaén Airport (GRX), Gran Canaria Airport (LPA), Menorca Airport (MAH), Región de Murcia International Airport (RMU), Santiago-Rosalía de Castro Airport (SCQ), Seville Airport (SVQ) and Zaragoza Airport (ZAZ).

The upgraded communication networks, built on the TetraNode platform and implemented by Grupo CYS, will continue to provide secure, reliable mission-critical communications on which these airports depend for their daily operations, coordination and safety.

Felipe Navarro Rodríguez, Director at Grupo CYS, said:

"This contract 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 our technology partner, we are proud to support AENA in the modernization of its communications infrastructure through the delivery of a secure, resilient and future-ready TETRA network at nine Spanish airports."