http://www.microchip.com/stellent/idcplg?IdcService=SS_GET_PAGE&nodeId=2505¶m=en024068 http://ww1.microchip.com/downloads/en/DeviceDoc/MCHPStackENC8722v300.zip This PICtail daughter board seems to be a good add on for the PICDEM FS USB demo board and the Zigbee demo board. I am not so sure when it will be available though. Regards, Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist