User's Manual

CSM 320 User Guide

Issue 1, October 2009 DRAFT 4 for REGULATORY REVIEW Page 19

○：

表示该有毒有害物质在该部件所有均质材料中的含量均在SJ/T11363-2006 标准规定的限量要求以下。

×：

表示该有毒有害物质至少在该部件的某一均质材料中的含量超出SJ/T11363-2006

标准规定的限量要求。

6.3 RF EXPOSURE SEPARATION DISTANCES

To protect from overexposure to RF energy, an SM must be installed to provide a separation

distance of at least 50 cm ( ~20 in) from all persons and must not be collocated or operating with

any other antenna or transmitter.

The following section and Table 9 provide details and discussion on the separation distance

calculations.

6.3.1 Details of Exposure Separation Distances Calculations and Power

Compliance Margins

Limits and guidelines for RF exposure come from:

 US FCC limits for the general population. See the FCC web site at

http://www.fcc.gov, and the policies, guidelines, and requirements in Part 1 of

Title 47 of the Code of Federal Regulations, as well as the guidelines and

suggestions for evaluating compliance in FCC OET Bulletin 65.

 Health Canada limits for the general population. See the Health Canada web

site at http://www.hc-sc.gc.ca/rpb and Safety Code 6.

 ICNIRP (International Commission on Non-Ionizing Radiation Protection)

guidelines for the general public. See the ICNIRP web site at

http://www.icnirp.de/ and Guidelines for Limiting Exposure to Time-Varying

Electric, Magnetic, and Electromagnetic Fields.

The applicable power density exposure limits from the documents referenced above is 10 W/m

Peak power density in the far field of a radio frequency point source is calculated as follows:

S =

P " G

where

S = power density in W/m

P = RMS transmit power capability of the radio, in W

G = total Tx gain as a factor, converted from dB

d = distance from point source, in m

Rearranging terms to solve for distance yields

d =

P " G

Table 9 shows calculated minimum separation distances d, recommended distances and the

resulting power compliance margin.