On behalf of our members – end users, operators and industry worldwide – TCCA supports all standard mobile critical communications technologies and complementary applications. We believe in and promote the principle of open and competitive markets worldwide through the use of open standards and harmonised spectrum, driving the development of common standards for critical broadband and maintaining and enhancing the TETRA standard. TCCA is the 3GPP Market Representation Partner for critical communications and our members actively contribute in 3GPP working groups. TCCA supports the ETSI MCX Plugtests™ and is a member of the MCS-TaaSting project. To find out more, please visit