There has been a fair about of work done on this. Search for Mesh networks or ad-hoc networks. I'm not sure how much information is easily available, though.=20 Dave On Sun, 29 Sep 2002 12:27:35 +0200, you wrote: >Hello, > >I had this great (well I think it is :) idea to make a sort of = peer-to-peer cell phone system. Basicly, it would be a TCP/IP data = system. The phones would try to route data through each other until they = get to some sort of internet gateway. The phone could have a rs232 = interface for PDAs and such. I want to make this as cheaply as possible. > >I was thinking of using an FSK system on 2.4 GHz yielding a few channels= of 64 Kbps each however I have no idea as to how to implement it. So, = please can you guys give me one or two pointers on how do do this? > >Thanks, >Timothy -- http://www.piclist.com hint: PICList Posts must start with ONE topic: [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads