Nokia E70 User Manual page 117
Hide thumbs
Also See for E70:
- User manual (209 pages) ,
- Manual del usuario (109 pages) ,
- Service manual (20 pages)
Table of Contents
Advertisement
the standby mode. Whereas high levels of RF can produce health
effects (by heating tissue), exposure to low level RF that does not
produce heating effects causes no known adverse health effects.
Many studies of low level RF exposures have not found any
biological effects. Some studies have suggested that some
biological effects may occur, but such findings have not been
confirmed by additional research. In some cases, other researchers
have had difficulty in reproducing those studies, or in determining
the reasons for inconsistent results.
•
What is FDA's role concerning the safety of wireless phones?
Under the law, FDA does not review the safety of radiation-
emitting consumer products such as wireless phones before they
can be sold, as it does with new drugs or medical devices.
However, the agency has authority to take action if wireless phones
are shown to emit radio frequency energy (RF) at a level that is
hazardous to the user. In such a case, FDA could require the
manufacturers of wireless phones to notify users of the health
hazard and to repair, replace or recall the phones so that the hazard
no longer exists. Although the existing scientific data do not justify
FDA regulatory actions, FDA has urged the wireless phone
industry to take a number of steps, including the following:
Support needed research into possible biological effects of RF of
the type emitted by wireless phones; Design wireless phones in a
way that minimizes any RF exposure to the user that is not
necessary for device function; and Cooperate in providing users
of wireless phones with the best possible information on possible
effects of wireless phone use on human health. FDA belongs to an
interagency working group of the federal agencies that have
responsibility for different aspects of RF safety to ensure
coordinated efforts at the federal level. The following agencies
belong to this working group: National Institute for Occupational
Safety and Health Environmental Protection Agency Federal
Communications Commission Occupational Safety and Health
Administration National Telecommunications and Information
Administration The National Institutes of Health participates in
some interagency working group activities, as well. FDA shares
regulatory responsibilities for wireless phones with the Federal
Communications Commission (FCC). All phones that are sold in
the United States must comply with FCC safety guidelines that
limit RF exposure. FCC relies on FDA and other health agencies
for safety questions about wireless phones. FCC also regulates the
base stations that the wireless phone networks rely upon. While
these base stations operate at higher power than do the wireless
phones themselves, the RF exposures that people get from these
base stations are typically thousands of times lower than those they
can get from wireless phones. Base stations are thus not the subject
of the safety questions discussed in this document.
•
What kinds of phones are the subject of this update? The term
wireless phone refers here to hand-held wireless phones with built-
in antennas, often called cell mobile or PCS phones. These types
of wireless phones can expose the user to measurable
radiofrequency energy (RF) because of the short distance between
the phone and the user's head. These RF exposures are limited by
Federal Communications Commission safety guidelines that were
developed with the advice of FDA and other federal health and
safety agencies. When the phone is located at greater distances
from the user, the exposure to RF is drastically lower because a
person's RF exposure decreases rapidly with increasing distance
from the source. The so-called cordless phones; which have a base
unit connected to the telephone wiring in a house, typically operate
at far lower power levels, and thus produce RF exposures far below
the FCC safety limits.
•
What are the results of the research done already? The research
done thus far has produced conflicting results, and many studies
have suffered from flaws in their research methods. Animal
experiments investigating the effects of radiofrequency energy
(RF) exposures characteristic of wireless phones have yielded
conflicting results that often cannot be repeated in other
laboratories. A few animal studies, however, have suggested that
low levels of RF could accelerate the development of cancer in
laboratory animals. However, many of the studies that showed
increased tumor development used animals that had been
genetically engineered or treated with cancer-causing chemicals
so as to be pre-disposed to develop cancer in the absence of RF
exposure. Other studies exposed the animals to RF for up to 22
hours per day. These conditions are not similar to the conditions
under which people use wireless phones, so we don't know with
certainty what the results of such studies mean for human health.
117
Advertisement
Table of Contents
