> By definition, an RF link would not be RS232 (even if it used the RS232 > UART protocol). I presume you mean RF serial link? Check out this site > for self contained SAW transmitters and receivers (the only way to go these > days). Very easy to use, and fully legal. > > http://www.rfm.com/ Odd site, or I missed something. They give absolutely no indication what their stuff costs. It's awfully annoying to have to waste a whole bunch of time to beg a price out of someone. Cheers, Win Wiencke Image Logic Corporation ImageLogic@ibm.net