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Chapter 4
Antenna Installation
4.1 Antenna Installation and Compliance with Radio Frequency (RF)
Energy Safety Standards
4.2 Selecting an Antenna Site/Location on a Metal Body Vehicle
1. External installation – Check the requirements of the antenna supplier and install the vehicle
antenna external to a metal-body vehicle in accordance with those requirements.
2. Roof top – For optimum performance and compliance with RF Energy Safety standards, mount
the antenna in the center area of the roof.
3. Trunk lid – On some vehicles with clearly defined, flat trunk lids, the antennas of some radio
models (see restrictions below) can also be mounted on the center area of the trunk lid. For
vehicles without clearly defined, flat trunk lids (such as hatchback autos, sport utility vehicles, and
pick-up trucks), mount the antenna in the center area of the roof.
Before installing an antenna on the trunk lid
,
• Be sure that the distance from the antenna location on the trunk lid will be at least 85cm (33
inches) from the front surface of the rear seat-back to assure compliance with RF Energy
Safety standards
• Ensure that the trunk lid is grounded by connecting grounding straps between the trunk lid
and the vehicle chassis
IF THESE CONDITIONS CANNOT BE SATISFIED, THEN MOUNT THE ANTENNA ON THE
ROOF TOP!
IMPORTANT
NOTE
To assure optimum performance and compliance with RF Energy Safety
standards, this antenna installation guidelines and instructions are limited to
metal-body vehicles with appropriate ground planes and take into account the
potential exposure of backseat passengers and bystanders outside the
vehicle.
NOTE
For mobile radios with rated power of 7 watts or less, the only installation restrictions
are to use only Motorola approved antennas and install the antenna externally on
metal body vehicles. For mobile radios with rated power greater than 7 watts, always
adhere to all the guidelines and restrictions in 4.2 below.
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