At 03:25 PM 23/02/99 EST, you wrote: What about a RF link? Peter >Is there such a thing as a MODEM CHIP ?, if so, where can I find out more >about them. This could be interesting. >I would imagine though, such a TRANSCEIVER chip would be expensive. > >Current loop - yes that's a possibility, although digital would be preferable. > >Darren > >