Understanding the Mobile World

The intertwining of telecom, banking, and M2M/IoT produces a new degree of complexity. We hope our COMPRION glossary helps you to get a good overview of all the connected terms, technologies, and concepts.


Element of the smart card file system. An EF has both a header and a body, and there are three different types: Transparent Elementary File (Transparent EF), Linear Fixed Elementary File (Linear fixed EF), and Cyclic Elementary File (Cyclic EF).


Do you have any questions regarding our systems, technical issues or product related topics? Our support team will be quick to help you with straightforward assistance.

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To get the most out of your COMPRION solution, our support team is happy to serve you with trainig sessions for all out test tools. Did you know that we also offer technical workshops?

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