Lenovo 20RA, 20RB, 20WF, User Manual

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Appendix C. Compliance and TCO Certified information
This chapter provides regulatory, environmental, RoHS, and ENERGY STAR information about Lenovo
products.
Radio frequency compliance statements
Computer models equipped with wireless communications comply with the radio frequency and safety
standards of any country or region in which it has been approved for wireless use.
Besides this document, ensure that you read the Regulatory Notice for your country or region before using
the wireless devices contained in your computer.
Wireless-related information
This topic provides wireless-related information about Lenovo products.
Wireless interoperability
Wireless-LAN card is designed to be interoperable with any wireless-LAN product that is based on Direct
Sequence Spread Spectrum (DSSS), Complementary Code Keying (CCK), and/or Orthogonal Frequency
Division Multiplexing (OFDM) radio technology, and is compliant to:
• The 802.11b/g Standard, 802.11a/b/g, 802.11n, 802.11ax, or 802.11ac on wireless-LANs, as defined by
the Institute of Electrical and Electronics Engineers.
• The Wireless Fidelity (Wi-Fi
®
) certification as defined by the Wi-Fi Alliance
®
.
Notes:
• Some models may not support 802.11ax, depending on your wireless configurations.
• For some countries or regions, use of 802.11ax may be disabled according to your local regulations.
Usage environment and your health
This computer contains integrated wireless cards that operate within the guidelines identified by radio
frequency (RF) safety standards and recommendations; therefore, Lenovo believes that this product is safe
for use by consumers. These standards and recommendations reflect the consensus of the worldwide
scientific community, and result from deliberations of panels and committees of scientists, who continually
review and interpret the extensive research literature.
In some situations or environments, the use of wireless devices might be restricted by the proprietor of a
building or responsible representatives of an organization. For example, these situations and areas might
include the following:
• On board of airplanes, in hospitals or near petrol stations, blasting areas (with electro-explosive devices),
medical implants or body-worn electronic medical devices, such as pace makers.
• In any other environment where the risk of interference to other devices or services is perceived or
identified as harmful.
If you are uncertain of the policy that applies to the use of wireless devices in a specific area (such as an
airport or hospital), you are encouraged to ask for authorization to use a wireless device prior to turning on
the computer.
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