After X10 devices are not really cheap, here's a way to send RF signals
with the USB URIT to Intertechno Plug in Modules.
1.Extender
http://www1.conrad.de
Artikel-Nr.: 350501 - 62
2.APPLIANCE MODULE (3 for 20€
, 4x3 channels)http://www.intertechno.at/
PA3-1000
3.Pronto Code Generator
http://www.remotecentral.com/cgi-bin/files/rcfiles.cgi?area=pronto&db=devices&br=intertechno&dv=lighting&fc=