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[[PageOutline]] = OsmocomTETRA Frequently Asked Questions = == Can I use OsmocomTETRA to listen to police radio? == No, you cannot. We expect any decent police radio installation to use at least Tetra Air Encryption (TEA1/2/3/4) or end-to-end encryption. Also, if this is your interest in this project: Please simply go away, we don't want to talk to you. == What can I do using your software? == You can learn more about how TETRA works on its lowest level! == How can I actually receive TETRA RF signals? == You can use any radio that is suitable for your target frequency range. We have so far used the Ettus USRP and USRP2 radios with a variety of different daughter boards, as well as the [wiki:Funcube_Dongle] Pro. boards. == Can your software actually play the voice signal? == Currently we have no support for that. However, a yet unreleased proof-of-concept prototype version exists. has been implemented == You are sending GSMTAP messages. Where do I get the TETRA wireshark dissector? == We have not written any TETRA wireshark dissector. Some researcher have done this and we are trying to convince them to release their code, rather than replicating unnecessary work.