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Vehicle Antenna Installation
Mobile Radio Operation and EME Exposure
To assure optimal radio performance and that human exposure to radio frequency electromagnetic
energy is within the guidelines referenced in this document, transmit only when people inside and
outside the vehicle are at least the minimum distance away from a properly installed, externally-
mounted antenna.The table below lists the minimum distance for several different ranges of rated
radio power.
Rated Power of Vehicle-Installed
Mobile Two-Way Radio
Less than 7 Watts
7 to 15 Watts
16 to 39 Watts
40 to 110 Watts
CM5000 TETRA Mobile Repeater/Gateway Installation Manual
Table 8 Rated Power and Distance
Minimum Lateral Distance
from Transmitting Antenna
20 Centimeters (8 inches)
30 Centimeters (1 Foot)
60 Centimeters (2 Feet)
90 Centimeters (3 Feet)
INSTALLATION