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ThinkPad 220 Tablet and X220i Tablet
1. Wireless WAN (Auxiliary)
If your computer comes with a wireless WAN feature, its auxiliary antenna is located at the top left
side of the computer display.
2. Wireless LAN and WiMAX combo antenna (Auxiliary)
The auxiliary antenna connected to the wireless LAN or WiMAX feature is located at the top left portion
of the computer display, near the center.
3. Wireless LAN antenna (Third)
If your computer has the Multiple Input Multiple Output (MIMO) wireless LAN feature, the third wireless
antenna is located at the top center portion of the computer display.
4. Wireless LAN and WiMAX combo antenna (Main)
The main antenna connected to the wireless LAN or WiMAX feature is located at the top right side of
the computer display, near the center.
5. Wireless WAN antenna (Main)
If your computer comes with a wireless WAN feature, its main antenna is located at the top right side of
the computer display.
Locating wireless regulatory notices
For more information about the wireless regulatory notices, refer to the Regulatory Notice shipped with your
computer.
If your computer is shipped without the Regulatory Notice, you can nd it on the Web site at:
http://www.lenovo.com/support
To view the Regulatory Notice on the Web site, do the following:
1. Go to:
http://www.lenovo.com/support
2. Click the Support & downloads section, a new page is displayed.
3. In the right pane, type your computer number in the Enter a product number led, and click Go.
Appendix A. Regulatory Information 245