Ok I am an employed by wal-mart and we have a telzon device which is a computer that is linked with the other computers in walmart for price checks and price changes and it send its information on a frequancy of 900megahrts well we got an xbox 360 in and pluged it in well something in it is sending information on the 900megahrts frequancy we contacted microsoft and they sent us a patch to shut this down well somone unpluged it and the patch was gone so i called them about getting the disk with the patch on it well they wouldn't send it to us the don't want to take anychance of the patch getting out to the general public what could this 900megahrt frequency be sending, its not the controlers its not the network adapter wrong frequency and why would microsoft not want this shut down on the general publics xbox's very questionable about what it is for i am going to try and contact microsoft to figure out what it is and will post what they tell me if it is truth