Appendix B Regulation & safety notices86English The FCC RF safety requirementThe radiated output power of Wireless LAN Mini-PCI Card and Blue-tooth card is far below the FCC radio frequency exposure limits. Never-theless, the Extensa series shall be used in such a manner that thepotential for human contact during normal operation is minimized asfollows :1 Users are requested to follow the RF safety instructions on wirelessoption devices that are included in the user’s manual of each RFoption device.Caution: To comply with FCC RF exposure compliancerequirements, a separation distance of at least 20 cm (8 inches)must be maintained between the antenna for the integratedWireless LAN Mini-PCI Card built in to the screen section and allpersons.Note: Acer Dual-Band 11a/g Wireless Mini PCI Adapter implementstransmission diversity function. The function does not emit radiofrequencies simultaneously from both antennas. One of theantennas is selected automatically or manually (by users) to havegood quality of radiocommunication.