> > It may be easier to just get one of the many transmitter/receiver > modules out there already FCC approved and in an appropriate band. They > usually take digital in and should handle the rest. There are a bunch of vendors out there, with single chip modules on 915 and 2.4 GHz, Modular approvals under part 15, ready to go. -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist