>> I would like to ask the group's wisdom, what (if any) >> regulations govern this subject. > >You didn't mention the country, what type of device, what >frequency range, whether this is commercial (for sale) or >for your own use. (I think this are the main parameters.) If looking to do something for international markets have a look at the datasheet for Analog Devices ADF7021 transceiver chip. They list a whole host of regulations that their chip is designed to meet, and this list should give suitable pointers to what you want (including multiple FCC ones). -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist