Lenovo 20Y3 User Manual page 52

The following illustration shows the antenna locations on your computer:
1 Wireless LAN antenna (auxiliary)
2 Wireless LAN antenna (main)
3 Wireless WAN antenna (MIMO1)*
4 Wireless WAN antenna (main, for selected models)
5 Wireless WAN antenna (auxiliary, for selected models)
6 Wireless WAN antenna (MIMO2)*
*for selected models
Federal Communications Commission (FCC) Supplier's Declaration of
Conformity
The following information refers to ThinkPad P1 Gen 4 and ThinkPad X1 Extreme Gen 4, machine types:
20Y3, 20Y4, 20Y5 and 20Y6.
The following information refers to the following products:
Product name
ThinkPad P1 Gen 4
ThinkPad X1 Extreme Gen 4
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
46
X1 Extreme Gen 4 and P1 Gen 4 User Guide
Machine types
20Y3 and 20Y4
20Y5 and 20Y6