MRF24WB0MASLASHRM datasheet(22/34 Pages) MICROCHIP

22 / 34 page

MRF24WB0MA/MRF24WB0MB

DS70632A-page 22

Preliminary

 2010 Microchip Technology Inc.

3.1.1

RF EXPOSURE

All transmitters regulated by FCC must comply with RF

exposure requirements. OET Bulletin 65, Evaluating

Compliance with FCC Guidelines for Human Exposure

to Radio Frequency Electromagnetic Fields, provides

assistance in determining whether proposed or existing

transmitting facilities, operations or devices comply

with limits for human exposure to Radio Frequency

(RF) fields adopted by the Federal Communications

Commission (FCC). The bulletin offers guidelines and

suggestions for evaluating compliance.

If appropriate, compliance with exposure guidelines for

mobile and unlicensed devices can be accomplished

by the use of warning labels and by providing users

with information concerning minimum separation dis-

tances from transmitting structures and proper

installation of antennas.

The following statement must be included as a

CAUTION statement in manuals and OEM products to

alert users of FCC RF exposure compliance:

If the MRF24WB0MA/MRF24WB0MB module is used

in a portable application (i.e., the antenna is less than

20 cm from persons during operation), the integrator is

responsible for performing Specific Absorption Rate

(SAR) testing in accordance with FCC rules 2.1091.

3.1.2

HELPFUL WEB SITES

Federal Communications Commission (FCC):



http://www.fcc.gov

3.2

Canada

The MRF24WB0MA/MRF24WB0MB module has been

certified for use in Canada under Industry Canada (IC)

Radio Standards Specification (RSS) “RSS-210” and

“RSS-Gen”.

From “Section 7.1.1, RSS-Gen”, Issue 2, June 2007,

Modular Transmitter Approval:

“Host devices which contain separately certified

modules do not need to be recertified, provided

that they meet the following conditions:

a) The host device, as a stand-alone unit without

any separately certified modules, complies

with

all

applicable

Radio

Standards

Specifications.

b) The host device and all the separately certified

modules it contains jointly meet the RF expo-

sure compliance requirements of “RSS-102”, if

applicable.

c) The host device complies with the certification

labeling requirements of each of the modules

it contains.”

The

following

example

demonstrates

labeling

compliance.

From “Section 5.2, RSS-Gen”, Issue 2, June 2007,

Equipment Labels:

“All Category I radio equipment intended for use

in Canada shall permanently display on each

transmitter, receiver or inseparable combination

thereof, the applicant’s name (i.e., manufacturer’s

name, trade name or brand name), model num-

ber and certification number. This information

shall be affixed in such a manner as to not be

removable except by destruction or defacement.

The size of the lettering shall be legible without

the aid of magnification, but is not required to be

larger than 8-point font size. If the device is too

small to meet this condition, the information can

be included in the user manual upon agreement

with Industry Canada.”

The label is shown in the following example:

To satisfy FCC RF Exposure requirements for

mobile and base station transmission devices, a

separation distance of 20 cm or more should be

maintained between the antenna of this device and

persons during operation. To ensure compliance,

operation at closer than this distance is not recom-

mended.

The antenna(s) used for this transmitter must not

be co-located or operating in conjunction with any

other antenna or transmitter.

NOTE: Compliance of a module in its final configu-

ration is the responsibility of the applicant. A host

device will not be considered certified if the instruc-

tions regarding antenna configuration provided in

the original description, of one or more separately

certified modules it contains, were not followed.

Contains IC: 8248A-G21ZEROG

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