Lenovo ThinkPad T420si (Arabic) User Guide - Page 211
United States Export Administration Regulations EAR - thinkpad t420s 4171
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LAN Multiple Input Multiple Output" (MIMO 5 LANﻭ) WiMAX LAN WiMAX 1 LANﻭ) WiMAX LAN WiMAX 2 WAN WAN 3 LAN LAN Multiple Input Multiple Output" (MIMO 4 LANﻭ) WiMAX LAN WiMAX 5 WAN WAN ThinkPad Regulatory Notice Lenovo http://www.lenovo.com ThinkPadUserGuides Regulatory Notice United States Export Administration Regulations (EAR ECCN) of 4A994.b EAR E1 ThinkPad T420s/T420si 4175ﻭ 4176ﻭ 4171ﻭ 4173ﻭ 4174ﻭ 4170ﻭ.4172 This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try :to correct the interference by one or more of the following measures Reorient or relocate the receiving antenna
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