AT&T TL7600 User Manual page 49

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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