Motorola GM640 Manuel de l'utilisateur - Page 27

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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 earlier 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.

Table 1 lists the minimum distance for several

different ranges of radiated power.

Table 1: Radiated Power and Distance

Radiated Power of

Vehicle-installed

Mobile Two-way Radio

7 to 15 Watts

16 to 50 Watts

More than 50 Watts

Minimum Distance

From Transmitting

Antenna

30.5 cm(1 Foot)

61 cm (2 Feet)

91.5 cm (3 Feet)

Install the vehicle antenna external to the vehicle

and in accordance with:

•

The requirements of the antenna manufacturer/

supplier

•

Instructions in the Radio Installation Manual

When radio equipment is used to operate as a

control station, it is important that the antenna

be installed outside the building and away from

places where people may be in close proximity.

Refer to Table 1 for rated power and minimum

distant values for transmitting antennas.

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