Information From The World Health Organization - Motorola 6802932J69 Getting Started Manual

Hearing devices may also be measured for immunity to this type of
interference. Your hearing device manufacturer or hearing health
professional may help you fi nd results for your hearing device. The
more immune your hearing aid is, the less likely you are to experience
interference noise from mobile phones.
Information from the World
Health Organization
Present scientifi c information does not indicate the need for any
special precautions for the use of mobile phones. If you are
concerned, you may want to limit your own or your children's RF
exposure by limiting the length of calls or by using handsfree
devices to keep mobile phones away from your head and body.
Source: WHO Fact Sheet 193
Further information: http://www.who.int./peh-emf