http://en.wikipedia.org/wiki/Universal_Software_Radio_Peripheral Unfortunately they're quite expensive. USRP (v1) + BasicRX would set you back about 500 quid, and it's nearly triple that if you go for USRP2. Rich. -- Richard Jones Red Hat -- Gllug mailing list - Gllug at gllug.org.uk http://lists.gllug.org.uk/mailman/listinfo/gllug