Cellular Phone Related Links

GSM encryption under attack. COMP128 and A5/1 has been reversed which is the reason why ASIM now can replace a SIM.

A fellow believer: Batlabs : Motorola 2 way & pager information - AWESOME

Both John Scourias has done great work, compiling the GSM system into a somewhat more digestible form

I have found this brief Overview of the GSM Radio Interface by Thierry Turletti