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MRF89XAM9A
3.1.1.2
OOK Modulation
If appropriate, compliance with exposure guidelines for
The following settings configure the MRF89XAM9A for
narrowband operation that conform to the requirements
of the part 15.249. The part 15.249 requires a much
lower power setting than it is allowed in the part 15.247.
These settings are good for applications that require
lower transmit power current consumption and shorter
transmit distances:
? Transmit Power Maximum Setting: 1 dBm
? Bit Rate Maximum Setting: 28 kbps
? Frequency Deviation Setting: 200 kHz
? Lower Frequency Setting: 902.330 MHz
mobile and unlicensed devices can be accomplished
by using warning labels and by providing informations
concerning minimum separation distances 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:
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
?
Upper Frequency Setting: 927.500 MHz
during operation. To ensure compliance, operation at
3.1.2 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 RF fields adopted by
the Federal Communications Commission (FCC). The
closer than this distance is not recommended.
The antenna(s) used for this transmitter must not be
co-located or operating in conjunction with any other
antenna or transmitter.
If the MRF89XAM9A module is used in a portable
application (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.
bulletin offers guidelines and suggestions for
evaluating compliance.
3.1.3
HELPFUL WEB SITES
Federal Communications Commission (FCC) http://
www.fcc.gov
DS75017A-page 18
Preliminary
? 2011 Microchip Technology Inc.
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