> Looking around for FCC certified modular > ransmitters, they generally seem to Zigbee or WiFi transceivers. >All the ones I've found also have the requirement that the antenna be 20cm away from people. What about bluetooth ? Lots of wearable devices with bluetooth on board. Regards, Kevin Jones -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist