User's Guide
Taiwan RoHS
Electromagnetic emission notices
Federal Communications Commission (FCC) Supplier’s Declaration of
Conformity
The following information refers to ThinkPad X1 Yoga Gen 5 and ThinkPad X1 Carbon Gen 8.
Product name Machine types
ThinkPad X1 Yoga Gen 5 20UB and 20UC
ThinkPad X1 Carbon Gen 8 20U9 and 20UA
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:
Appendix D. Compliance information 97