低速无线个人区域网（LR-WPAN）的国际标准---IEEE802.15.4协议，包含了2003、2006和2007a三个完整的版本，是开发zigbee技术不可或缺的资料-Low-speed wireless personal area networks (LR-WPAN) international standards-IEEE802.15.4 agreement, 2003,2006 and 2007a includes three complete versions of the deve