User Guide

The following illustration shows the antenna locations on your computer:

For WWAN models:

1. Wireless-WAN antenna (auxiliary)

2. Wireless-WAN antenna (main)

3. Wireless-LAN antenna (main)

4. Wireless-LAN antenna (auxiliary)

For WLAN–only models:

1. Wireless-LAN antenna (main)

2. Wireless-LAN antenna (auxiliary)

Locate wireless regulatory notices

For more information about the wireless regulatory notices, refer to the Regulatory Notice at https://

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X390 Yoga User Guide