Appendix63Explosive Device Proximity WarningDo not operate a portable transmitter (such as a wirelessnetwork device) near unshielded blasting caps or inan explosive environment unless the device has beenmodified to be qualified for such use.Use On Aircraft CautionRegulations of the FCC and FAA prohibit airborneoperation of radio-frequency wireless devices becausetheir signals could interfere with critical aircraftinstruments.Other wireless devicesSafety notices for other devices in the wireless network:Refer to the documentation supplied with wireless Ethernetadapters or other devices in the wireless network.United States of AmericaUSA and Canada Safety Requirements and NoticesDo not touch or move antenna while the unit is transmitting orreceiving.Do not hold any component containing the radio such that theantenna is very close to touching any exposed parts of the body,especially the face or eyes, while transmitting.Do not operate the radio or attempt to transmit data unless theantenna is connected; if not, the radio may be damaged.Use in specific environments:The use of wireless devices in hazardous locations is limited by theconstraints posed by the safety directors of such environments.The use of wireless devices on airplanes is governed by the FederalAviation Administration (FAA).The use of wireless devices in hospitals is restricted to the limitsset forth by each hospital.