234BGFUZ1SFDBVUiPOTBluetooth® and wireless LAN (Wi-Fi®) functions of this productuse frequencies in the 2.4 GHz band.VG_ • Bluetooth®.function:.2.4FH1/XX8This product uses the 2.4 GHz band. ForFH1, FH-SS is used as the modulationscheme. The interference distance is about10 m or less. XX8 uses other schemes andinterference distance is about 80 m or less.• Wireless.LAN.(Wi-Fi® ).function:.2.4DS/OF4This product uses the 2.4 GHz band. DS-SS and OFDM are used as the modulationschemes. The interference distance isabout 40 m or less.:This means that all bandwidths can be used, and thatbands of mobile unit identification devices cannot beavoided.Available channels differ depending on the country.For use in airplane, check with the airline company in advance.■ 5 GHz frequency band precautionsWireless LAN (Wi-Fi® ) function of this product uses 5 GHzband. Using 5.2 GHz band and 5.3 GHz band outdoors isprohibited by the Radio Law.The channels used on the product are as follows.W52 (5.2 GHz band/36, 40, 44, 48 ch)W53 (5.3 GHz band/52, 56, 60, 64 ch)W56 (5.6 GHz band/100, 104, 108, 112, 116, 120, 124,128, 132, 136, 140 ch)Notes on packet communicationcharge• Since constant Internet connection is possible withthis product, packet communication may be performedautomatically by some applications, resulting in highpacket communication charges. Therefore, subscription toa packet communication charge discount service or flatlate plan is recommended.• To browse homepages, download applications,communicate using applications, send/receive E-mails andconfigure various settings, connection to the Internet isrequired, to which packet communication charge applies.* Packet communication charge does not apply to Wi-Fi connection.Notes on applications• Be sure to check the security of the application, theninstall it at your own risk. Some applications might causevirus infection, damage various data, and send out yourlocation information, usage history or personal informationstored in your cell phone via the Internet.• The Company assumes no responsibility for any problemsthat might be caused by applications you have installed.In such case, you may be charged a repair fee even duringthe warranty period.• The Company assumes no responsibility for anydisadvantage brought to you or any third party byapplications you have installed.• Insertion of a microSD memory card is necessary to usesome applications.