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SpectraLink Corporation Link Wireless Telephones and Accessories User Guide
Part Number: 72-0075-09-C.doc Page 24
Specific Absorption Rate (SAR) Information
Your wireless telephone is a low power radio transmitter and receiver. When it is ON, it receives and also sends
out radio frequency (RF) signals. In August 1996, the Federal Communications Commissions (FCC) adopted
RF exposure guidelines with safety levels for hand-held wireless phones. Those guidelines are consistent with
the safety standards previously set by both U.S. and international standards bodies:
• ANSI C95.1 (1992) American National Standards Institute
• NCRP - Report 86 (1986) National Council on Radiation Protection and Measurements
• ICNIRP (1996) International Commission on Non-Ionizing Radiation Protection;
• DHWC - Safety Code 6 Department of Health and Welfare Canada
Those standards were developed by independent scientific organizations through periodic and thorough
evaluation of scientific studies. The standards include a substantial safety margin designed to assure the safety
of all persons, regardless of age and health. The exposure standard for wireless mobile phones employs a unit
of measurement known as the Specific Absorption Rate, or SAR. The SAR limit set by the FCC is 1.6W/kg.
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Tests for SAR are conducted using standard operating positions specified by the FCC with the phone
transmitting at its highest certified power level in all tested frequency bands. Although the SAR is determined at
the highest certified power level, the actual SAR level of the phone while operating can be well below the
maximum value. This is because the phone is designed to operate at multiple power levels so as to use only the
power required to reach the network. In general, the closer you are to a wireless base station antenna, the lower
the power output. Before a phone model is available for sale to the public, it must be tested and certified to the
FCC that it does not exceed the limit established by the government-adopted requirement for safe exposure.
The tests are performed in positions and locations (e.g., at the ear and worn on the body) as required by the
FCC for each model. While there may be differences between the SAR levels of various phones and at various
positions, they all meet the government requirement for safe exposure. The FCC has granted an Equipment
Authorization for this model phone with all reported SAR levels evaluated as in compliance with the FCC RF
emission guidelines. SAR information on this model phone is on file with the FCC and can be found under the
Display Grant section of http://www.fcc.gov
/oet/ea after searching on FCC ID IYGPTB400 or IYGPTB450.
Additional information on Specific Absorption Rates (SAR) can be found on the Cellular Telecommunications
Industry Association (CTIA) web-site at
http://www.ctia.org/.
The only authorized headsets that may be utilized with the PTB400/410/450 are those obtainable from
SpectraLink or its reseller partners.
The peak SAR values of the PTB400/410/450 wireless telephone are
Head: 0.065 mW/g
Body: 0.022 mW/g
SAR: Frequency range 902 – 927 MHz
PTB400 wireless telephone Exposure Category: General Population/Uncontrolled Exposure
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In the United States and Canada, the SAR limit for mobile phones used by the public is 1.6 watts/kg (W/kg) averaged over one gram of
tissue. The standard incorporates a substantial margin of safety to give additional protection for the public and to account for any
variations in measurements.