Maximum SAR for this Model and Conditions Under Which it was Recorded
0.63 W/kgWLAN 5GHzHead SAR
0.67 W/kgWLAN 5GHzBody-worn SAR
This wireless phone contains a radio transceiver. The radio transceiver and antenna have been designed to
meet the RF emission requirements for human exposure as specified by the FCC as well as by other agencies
from other countries. These guidelines were developed by the industry based on guidance from the World
Health Organization (WHO). These industry standards have been developed to include additional safety
margins to ensure that the user is exposed to the least amount of RF radiation.
The radio transceiver uses a non ionization type of radiation as opposed to an ionized radiation such as an
X-Ray wave.
The exposure standard for these devices references a unit of measure known as SAR. The limit as set by the
FCC is 1.6W/kg. The tests for this emission level is done in an independent laboratory who employs test
methods and operating positions reviewed by the FCC and other agencies.
Before the phone was placed on the market, the product was tested and certified in accordance with the FCC
regulations to verify that the product did not exceed the FCC SAR requirements.
Additional information on SAR and RF Exposure can be obtained off the FCC website at: http://www.fcc.gov/
oet/rfsafety
There is no conclusive proof that these mobile phones are or are not a health risk. The FDA and numerous
researchers are continuing studies of RF radiation and health issues. Additional information on this subject
can be obtained from the FDA web site at: http://www.fda.gov
The Cisco Wireless Phone 840 and 860 operates at power levels that are 5 to 6 times lower than most standard
cellular, Personal Communications Service (PCS), or Global System for Mobile Communication (GSM)
phones. This lower power coupled with a lower transmitter duty cycle reduces the user’s exposure to the RF
fields.
There are several suggested methods to reduce exposure for the user. Among those include:
1. Using a hands-free handset to increase the distance between the antenna and the head of the user.
2. Orienting the antenna away from the user.
Additional information can be obtained from the following documentation:
• Cisco Systems Spread Spectrum Radios and RF Safety white paper at the following location:
http://www.cisco.com/warp/public/cc/pd/witc/ao340ap/prodlit/rfhr_wi.htm
• FCC Bulletin 56: Questions and Answers about Biological Effects and Potential Hazards of Radio
Frequency Electromagnetic Fields
• FCC Bulletin 65: Evaluating Compliance with the FCC guidelines for Human Exposure to Radio
Frequency Electromagnetic Fields
Additional information can also be obtained from the following organizations:
• World Health Organization Internal Commission on Non-Ionizing Radiation Protection at
http://www.who.int/emf
• United Kingdom, National Radiological Protection Board at http://www.nrpb.org.uk
Cisco Wireless Phone 840 and 860 User Guide
140
Product Safety and Security
RF Exposure Information
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