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MRF24J40MC
3.3
Europe
3.3.2
EXTERNAL ANTENNA
The MRF24J40MC module conforms to the emission
standards summarized in Table 3-3 . The module tests
can be applied toward product certification and
Declaration of Conformity (DoC).
Note: To maintain conformance tested ETSI
standards, the module shall not be
modified and settings in Section 1.3
REQUIREMENTS
The maximum gain external antenna should not
exceed 3 dBi to satisfy ETSI EN 300 328 v1.7.1
(2006-10), Maximum e.i.r.p. spectral density limit,
Section 4.3.2.2, “For wideband modulations other then
FHSS (DSSS, OFDM, etc.), the maximum e.i.r.p.
spectral density is limited to 10 mW per MHz.”
“Operation” must be observed.
3.3.3
HELPFUL WEB SITES
The European Standards do not provide a modular
approval similar to the USA (FCC) and Canada (IC).
However, the completed compliance testing can be
used as part of the customer ’s application for product
compliance approvals. The module test report data can
be used as part of the customer ’s product test plan and
can significantly lower customer ’s compliance burden.
Depending on the end application, additional testing
may be required. The integrator is responsible for test-
ing the end product for any additional compliance
requirements that become necessary with this module
installed (for example, digital device emission, PC
peripheral requirements and so on) in the specific
country where end device is marketed).
A document that can be used as a starting point in
understanding the use of Short Range Devices (SRD)
in Europe is the European Radio Communications
Committee (ERC) Recommendation 70-03 E, which
can be downloaded from the European Radio
Communications Office (ERO): http://www.ero.dk/ .
The other helpful websites are:
Radio and Telecommunications Terminal Equipment
(R&TTE):
http://ec.europa.eu/enterprise/rtte/index_en.htm
European Conference of Postal and Telecommunications
Administrations (CEPT):
http://www.cept.org
3.3.1
MRF24J40MC SETTINGS
European
Telecommunications
Standards
Institute
To meet ETSI requirements, the following settings must
be observed by the integrator:
? The MRF24J40MC transmit power setting shall
not exceed 18.5 dBm peak (RFCON3 0x203<7:3>
= 00101) which for ETSI 300 328 requirements
equates to 9.8 dBm average (20 percent duty
cycle). When the MRF24J40MC module is
connected to a 2 dBi antenna, the EIRP is less
than 20 dBm. Refer to Section 1.3.4 “Transmit
Power Settings” .
Only channels 11 through 25 may be selected
(RFCON0 0x200).
(ETSI):
http://www.etsi.org
European Radio Communications Office (ERO):
http://www.ero.dk
TABLE 3-3:
EMISSIONS STANDARDS TESTED
Specification
Emission Standards
Test Method
EN 300 328 V1.7.1 (2006-10)
EN 300 328 V1.7.1 (2006-10)
EN 300 328 V1.7.1 (2006-10)
EN 300 328 V1.7.1 (2006-10)
EN 300 328 V1.7.1 (2006-10)
? 2011 Microchip Technology Inc.
4.3.1
4.3.2
4.3.3
4.3.6
4.3.7
Maximum Transmit Power
Maximum EIRP Spectral Density
Frequency Range
Transmitter Spurious Emissions
Receiver Spurious Emissions
Preliminary
5.7.2
5.7.3
5.7.4
5.7.5
5.7.6
DS75002A-page 21
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