http://www.rim.net/ perhaps?

-Adam

Craig Lee wrote:
>
> Read my earlier post on CEbus.  The technology is spread spectrum
> over power line, but it has a physical layer spec. for RF transceivers
> too.
>
> If you go with 900 MHz spread spectrum tranceivers, you shouldn't have
> much of a problem setting them up.
>
> However, if you are only using it once a month, go with a two way pager
> or cell phone and run it into a pic.  Research in motion has a great
> OEM pager board and it's communication protocol is only 1 or 2 kilobytes
> to implement.  http://www.rim.com
>
> Craig
>
> > -----Original Message-----
> > From: pic microcontroller discussion list
> > [mailto:PICLIST@MITVMA.MIT.EDU]On Behalf Of Rob Bakker
> > Sent: August 10, 1999 5:05 PM
> > To: PICLIST@MITVMA.MIT.EDU
> > Subject: X10 data n stuff
> >
> >
> > Many thanks for your thoughts people,  but i would like to be able to
> > transmit data a little further down the powerlines than just to the next
> > pole transformer.  Anyone know of a device able to do this?
> >
> > I have thought of:-
> > - something along the lines of X10
> > - modem/telecom but its would be too expensive to pay for a line
> > only to use
> > it once a month..
> > - radio link ( 2.4 Ghz ) but this gets tricky to set up and it
> > seems a shame
> > to waste all the bandwidth just to send data @ 2400bps from a PIC
> >
> >
> > any thoughts?
> >
> > Rob@waikato.ac.nz
> >