>I believe the Isrealies have developed a system that was being sold in >Australia and apparently works quite well on GSM - although our equiv to >the FCC didn't like its use and has declared it illegal How about a robot water pistol that squirts water onto anyone using a phone in its range ? This could be a PIC project. (Replacing the water pistol with a 0.22 is strictly out of the question). Peter -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics