ErvoCom implemented a new Tetra trunked radio system in 2021/22. In addition to the installation and commissioning of the radio infrastructure, ErvoCom has developed various customer-specific solutions, such as object call servers, migration gateway Tetra-Tetrapol and special intercom terminals for dispatchers respectively apron control, so that Airport Zürich AG has received a radio system tailored to its daily needs. At the same time, ErvoCom meets the highest requirements in terms of reliability and availability.