Motorola GM600 Посібник з експлуатації - Сторінка 12
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ANTENNA INSTALLATION
Mobile Antennas
Recommended mobile antenna installations are limited to metal body vehicles at the centre of the roof and centre
of the trunk deck locations.
The antenna installation must additionally be in accordance with:
a) The requirements of the antenna manufacturer/supplier
b) Instructions in the Radio Installation Manual
Fixed Site Antennas
Mobile radio equipment is sometimes installed at a fixed location and operated as a control station or as a fixed
unit. In such cases the antenna installation must comply with the following requirements in order to assure
optimal performance and make sure human exposure to radio frequency electromagnetic energy is within the
guidelines set forth in the above standards:
The antenna must be mounted outside the building
G
Mount the antenna on a tower if at all possible
G
If the antenna is to be mounted on a building then it must be mounted on the roof.
G
As with all fixed site antenna installations, it is the responsibility of the licensee to manage the site in accordance
with applicable regulatory requirements and may require additional compliance actions such as site survey
measurements, signage, and site access restrictions in order to insure that exposure limits are not exceeded.
Table 1: Table 1 Rated Power and Lateral Distance
Radiated Power of
Vehicle-installed
Mobile Two-way
7 to 15 Watts
16 to 50 Watts
More than 50 Watts
Minimum Lateral
Distance From
Transmitting
30 cm (1 Ft)
60 cm (2 Ft)
90 cm (3 Ft)