One plus 3T - Manual (Page 28)

28 | What’s in the Box Device OxygenOS Safety Information
FCC Caution
• Any changes or modifications not expressly approved by the party responsible for compliance could void the user’s authority to operate
the equipment.
• The antenna(s) used for this transmitter must not be co-located or operate in conjunction with any other antenna or transmitter.
• The country code selection is for non-US model only and is not available for all US models. Per FCC regulation, all Wi-Fi product
marketed in US must be fixed to US operation channels only.
• If applicable, operations in the 5.15-5.25GHz band are restricted to indoor usage only.
| What’s in the Box Device OxygenOS Safety Information