The GESCOM G5/ G5A is the Spanish RF vehicle communications system, designed to provide encrypted tactical voice and data communications across a wide variety of military platforms and configurations. The system incorporates high-speed data routing, dynamic mesh networks, and advanced traffic management, with the capacity to integrate up to five CNR radios, including SATCOM and 5G connectivity. Its ruggedized aluminum chassis meets MIL-STD-810 standards, ensuring reliability under the most adverse operating conditions. The G5 features NATO-approved voice and data encryption using the TSVCIS and SCIP 214.6 (STaC-IS) protocols, with secure key loading via DS-101 interfaces for SKL, ERMES, and other NATO key loaders. It also integrates a SIP telephony server, advanced onboard intercom, remote radio control, and compatibility with C2 systems such as BMS, TALOS, and ATAK. The system can be fully configured via tablet, PC, or web interface, facilitating its integration and maintenance within the operating environment. The GESCOM G5A variant incorporates a complete voice terminal, providing an integrated solution that allows the use of all voice functions from a single device.