PAN nodes PAN:个域网 USB Phone 10米左右 Camera Game Pad Printer 1394 Cable IEEE 802.15.1 Bluetooth IEEE 802.15.4 ZigBee Stereo Camcor VCR der HomePNA Wearable Implant Body Area Network (BAN) BAN:体域网 Short-range wireless network for an individual Consists of wearable or implanted electronic devices that transmit ID or sensor data to 距离外置访问点最多几米 a gateway device. Uses either electric-field,electric-current, Access point is several meters or electromagnetic communication technology Connects to an extemnal access point that is Gateway away,at most IEEE 802.15.4 ZigBee not more than several meters distant WearableBAN：体域网 距离外置访问点最多几米 PAN：个域网 10米左右 IEEE 802.15.1 Bluetooth IEEE 802.15.4 ZigBee IEEE 802.15.4 ZigBee