AT&T TL 7610 User Manual page 60

Appendix
FCC Part 15
To ensure safety of users, the FCC has established criteria for
the amount of radio frequency energy that can be safely
absorbed by a user or bystander according to the intended
usage of the product. This product has been tested and found
to comply with the FCC criteria. The headset may be safely held
against the ear of the user. The headset base shall be installed
and used such that parts of the user's body other than the
hands are maintained at a distance of approximately 20 cm
(8 inches) or more.
This Class B digital apparatus complies with Canadian ICES-003.
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