At 11:30 AM 6/25/98 +0200, you wrote:
>Thank you for the links!
>I've looked in Lynx, and they have small TX/RX pcb mounted that look
>really promising (and quite cheap, too. Enough to consider buying
>instead of building).
>
>Now I need to find the best way to work with them. They connect straight
>to the CPU, no problem with that, I think. But I need these to be
>really small. I hoped to be able to use vitually no antena, since I
>only need about 10-30 meters. But I never worked with RF. Don't know
>if this is possible.

Lynx just got in cylindrical PCB mount antennas for their 900MHz units and
has them for their others already. These antennas are pretty small and
should do the trick.

Craig Webb