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= The Osmocom TETRA project =

This project aims at practical research and experimentation with the [wiki:TETRA]
trunked radio system.

It is part of the bigger family of [http://osmocom.org/ Osmocom] projects,
all aiming to create Free Software (Open Source Software) for mobile communications.

[[BlogList(format=float,recent=5,max_size=350)]]

'''NOTE: Please observe the [wiki:Legal_Notes]''' before using this software!

== Software Defined Radio TETRA Air interface sniffer ==

The [wiki:osmo-tetra] project aims at implementing the sending and
receiving part of the TETRA MAC/PHY layer.

Currently, it can
* receive, demodulate and decode TETRA downlink signals of real-world TETRA networks
* display information about SYNC, SYSINFO, MM and CMCE PDUs
* forward those TETRA downlink signals to the [http://wireshark.org/ wireshark] protocol analyzer
* forward IP packets contained in TETRA SNDCP to a local {{{tun/tap}}} device

== Research on Motorola Dimetra EBTS ==

We are currently investigating the hardware and software architecture of the [wiki:Dimetra_EBTS Motorola Dimetra EBTS],
including its components like Base Radio, Site Controller, etc.

The goal here is to run this equipment without a Motorla SwMI and thus have an inexpensive platform for running
your own TETRA network for research purpose.

== Applied Research on security of real-world TETRA networks ==

Using the tools we develop, we are analyzing the security of real-world TETRA networks.

Our experience so far is quite shocking: All the non-government TETRA networks that we
have encountered use no TETRA encryption at all, i.e. they are subject to very easy
eavesdropping attacks.

More information will follow soon.

== TETRA related hardware Press Coverage ==
* http://www.h-online.com/security/news/item/TETRA-digital-radio-now-for-everyone-1254088.html
* http://www.heise.de/newsticker/meldung/TETRA-Digitalfunk-fuer-jedermann-1253092.html
* http://www.golem.de/1101/80600.html (German)
* http://infosecurity.ch/20110123/tetra-hacking-is-coming-osmocomtetra/

= Further Reading =
* [wiki:FAQ] - Our Frequently Asked Questions
*
[wiki:Funcube_Dongle] - A small receiver that can be used with [wiki:osmo-tetra]
* [wiki:Dimetra_EBTS] - Information on the Motorola Dimetra EBTS
* [wiki:Rohde_Schwarz_BSC411] - Information on the R&S BICK TETRA BSC
* [wiki:Rohde_Schwarz_TOB500] [wiki:Rohde_Schwarz_TOB500]] - Information on the R&S BICK TETRA Outdoor BTS 500

== Press Coverage ==
* http://www.h-online.com/security/news/item/TETRA-digital-radio-now-for-everyone-1254088.html
* http://www.heise.de/newsticker/meldung/TETRA-Digitalfunk-fuer-jedermann-1253092.html
* http://www.golem.de/1101/80600.html (German)
* http://infosecurity.ch/20110123/tetra-hacking-is-coming-osmocomtetra/

= Further Reading =
* [wiki:FAQ] - Our Frequently Asked Questions
* [wiki:Recommended_Reading] -- Links to recommended books, articles, etc.

* [wiki:TETRA_in_Germany] - Information we collect about TETRA networks in Germany
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