"TonyL" wrote in message
...
Adrian C wrote:
TonyL wrote:
Here's a problem that is causing me some grief. I'm rusty with
electronics these days, perhaps the experts in here can give me some
pointers ?

Go Digital. CDMA.


We are looking at wireless solutions as well. Any off the shelf solutions
out there ? Ideally, a 'naked' module that I could build into an
enclosure.



Hi Tony. You could contact the ISCE (Institute of Sound and
Communication Engineers) in the UK. One of their member
companies may well have the solution you are looking for.



Iain