Reversing P25 Radio Scanners
- Type
- Slides
- Tags
- radio
- Authors
- Gabriel Tremblay
- Event
- REcon 2013
- Indexed on
- Oct 18, 2014
- URL
- http://recon.cx/2013/slides/Recon2013-Gabriel%20Tremblay-Reversing%20P25%20Radios.pdf
- File name
- Recon2013-Gabriel%20Tremblay-Reversing%20P25%20Radios.pdf
- File size
- 1.6 MB
- MD5
- e7d8b6faa71b02137818c984b69f4cb0
- SHA1
- 844ff468cd601f6ce38d74c23f017c815c2f2637
With the ongoing conversion of radio systems from traditional to digital P25 around the world the race is on to find out how to monitor, listen and abuse this technology. Some projects such as OP25 from Osmocom made very good progress enabling users to tune in and listen to them using software defined radios. However, many of the P25 features such as trunking remains to be understood and implemented. Many radio scanners made by Uniden or Grecom licensed the technologies behind P25 some years ago and produced convincing implementation. Up until now their secrets stayed protected under firmware encryption and, probably unwillingly, obscure cpu's.
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