172IMPORTANT! This device is restricted for indoor use.WARNING! Any changes or modifications not expressly approved by the party re-sponsible for compliance could void the user’s authority to operate the equipment.WARNING!• Users must not modify this device. Modifications by anyone other than theparty responsible for compliance with the rules of the Federal CommunicationsCommission (FCC) may void the authority granted under FCC regulations tooperate this device.• For product available in the USA/Canada market, only channel 1~11 can beoperated. Selection of other channels is not possible.Prohibition of Co-locationThis device and its antenna(s) must not be co-located or operating in conjunction with anyother antenna or transmitter except in accordance with FCC multi-transmitter product proce-dures.Safety InformationTo maintain compliance with FCC’s RF exposure guidelines, this equipment should be in-stalled and operated with minimum distance 25cm between the radiator and your body. Useon the supplied antenna.Declaration of Conformity for R&TTE directive 1999/5/ECEssential requirements – Article 3Protection requirements for health and safety – Article 3.1aTesting for electric safety according to EN 60950-1 has been conducted. These are consideredrelevant and sufficient.Protection requirements for electromagnetic compatibility – Article 3.1bTesting for electromagnetic compatibility according to EN 301 489-1 and EN 301 489-17 hasbeen conducted. These are considered relevant and sufficient.Effective use of the radio spectrum – Article 3.2Testing for radio test suites according to EN 300 328 & EN 301 893 have been conducted.These are considered relevant and sufficient.Operate the device in 5150-5250 MHz frequency band for indoor use only.U10632_4G-AC55U_QSG_v2.indb 172 2015/8/11 14:39:23