Enrico (and anyone else), I'd forgotten about an article in the Dec 05 Silicon Chip (www.siliconchip.com.au) about cheap 433MHz wireless The article isn't available on-line, but here are some names mentioned Jaycar ZW-3100/ZW3102 Computronics (Western Australia) TX433/RX433 Rentron/Laipac TWS/TLP RWS/RLP 433 Google for "433 ISM" -> Superior Ming, Chipcon Keymark RXB1/TXC1 (www.keymark.com.tw) Himark RX3400 Silicon Chip Dec 05 references www.picaxe.orcon.net.nz/433txrx.htm -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist