TCCA’s Interoperability Certification process (IOP) was developed to enable a truly open multi-vendor market for TETRA equipment and systems. The multi-vendor market gives concrete benefits both to the users in terms of a wide portfolio of compatible equipment, competitive pricing and rapid development of new product models; and to the industry in terms of a wider accessible market, faster market take-up and better possibilities for investment in new development. Read more…

The following tables contain links to relevant IOP forms and information pages:

 Public area resources
List of participating manufacturers
White Paper – TETRA Interoperability and Certification Explained
Available TIP Features
Training for TETRA IOP Testing and Certification


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Members area resources
Test Session Resource Page
Interoperability Certification Process
Forms for Interoperability (IOP) Test Sessions
Interoperability Document Template
Test Session User Guides 
Streamlining Documents page
IOP Contacts page



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