Safety and Regulatory InformationUser’s Manual 165maintain a 5mm separation distance between the user's body andthe handset, including the antenna. The use of belt clips, holstersand similar accessories should not contain metallic components inits assembly. The use of body-worn accessories that do not meetthese requirements may not comply with RF exposure requirementsand should be avoided.FCC RF Exposure Information and Statement:The SAR limit of USA (FCC) is 1.6 W/kg averaged over one gram oftissue. Device types: U4GDL35US has also been tested against thisSAR limit. The highest SAR value reported under this standardduring product certification for use at the ear is 0.801W/kg andwhen properly worn on the body is 1.172W/kg and as hotspot is1.283W/kg. This device was tested for typical body-worn operationswith the back of the handset kept 1cm from the body. To maintaincompliance with FCC RF exposure requirements, use accessoriesthat maintain a 1cm separation distance between the user's bodyand the back of the handset. The use of belt clips, holsters andsimilar accessories should not contain metallic components in itsassembly. The use of accessories that do not satisfy theserequirements may not comply with FCC RF exposure requirements,and should be avoided.The device for operation in the band 5150-5250 MHz is only forindoor use to reduce the potential for harmful interference toco-channel mobile satellite systems.In radio systems configured with mobile computers and accesspoints, the frequencies to be used must be allowed by the spectrumauthorities o fthe specific country in which the installation takesplace. Be absolutely sure that the system frequencies are correctlyset to be compliant with the spectrum requirements of the country.The Radio modules used in this product automatically adapt to thefrequencies set by the system and do not require any parametersettings.