Cambium Networks PTP 250, User Manual

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PTP 250 User Guide Regulatory planning
phn-2510_002v000 (Mar 2012) 2-3
In Canada, the EIRP limit in the 5470 - 5600 MHz and 5650 - 5725 MHz ( 5.4 GHz ) band
is 1.0 W or (17 + 10 log
10
B) dBm, whichever power is less. B is the 99% emission
bandwidth in MHz according to RSS 210 Annex 9.2 (3).
In Canada, NO operation is permitted in the band 5600 – 5650 MHz.
Conforming to the limits
When a new PTP 250 unit is first accessed via the web interface, the user is required to
select the Country Code from a list. Generally, the PTP 250 firmware does not allow the
unit to be configured to operate outside the regulatory limits that apply to the selected
country. However, in the following situations, the firmware does not automatically prevent
operation outside the regulations:
x
When using connectorized ODUs with external antennas, the regulations may require
the maximum transmit power to be reduced. To ensure that regulatory requirements
are met for connectorized installations, refer to
Calculating maximum power level for
connectorized units on page 2-13 .
x
When installing 5.4 GHz links in the USA, it may be necessary to avoid frequencies
used by Terminal Doppler Weather Radar (TDWR) systems. For more information, refer
to
Avoidance of weather radars (USA only) on page 2-5 .
Available spectrum
The available spectrum for operation depends on the country of operation. For example, in
Europe:
x
The 5.4 GHz band is available in all EU countries.
x
The 5.8 GHz band is currently only available in a limited number of EU countries (UK,
Eire, Norway, Denmark, Germany and Spain).
In Italy, there is a regulation which requires a general authorization of any 5.4 GHz radio
link which is used outside the operator’s own premises. It is the responsibility of the
installer or operator to have the link authorized. Details may be found at:
http://www.sviluppoeconomico.gov.it/index.php?option=com_content&view=article&idme
nu=672&idarea1=593&andor=AND&idarea2=1052&id=68433&sectionid=1,16&viewTy
pe=1&showMenu=1&showCat=1&idarea3=0&andorcat=AND&partebassaType=0&idar
eaCalendario1=0&MvediT=1&idarea4=0&showArchiveNewsBotton=0&directionidUser
=0
The form to be used for general authorization may be found at:
http://www.sviluppoeconomico.gov.it/images/stories/mise_extra/Allegato%20n19.doc