Campbell Scientific RF320-Series Ritron VHF/UHF Radios - Manual (Page 9)

RF320-Series Ritron VHF/UHF Radios
• Institute of Electrical and Electronic Engineers (IEEE) C95. 1-1999
Edition. Copyright Telecommunications Industry Association.
To control exposure to yourself and others and ensure compliance with the
occupational/controlled environment exposure limits, always adhere to the
following procedures.
2.2.2 Guidelines
• User awareness instructions should accompany device when transferred to
other users.
• Do not use this device if the operational requirements described herein are
not met.
2.2.3 Instructions
Transmit only when people in the vicinity are at least the recommended
minimum lateral distance away, as shown in TABLE 2-1, from a properly
installed antenna according to installation instructions.
TABLE 2-1 lists the recommended minimum lateral distance for
bystanders in an uncontrolled environment from transmitting
antennas (i.e., monopoles over a ground plane or dipoles) at
several different ranges of rated radio power for mobile radios
installed on a vehicle. NOTE
TABLE 2-1. Rated Power and Recommended Lateral Distance
Antenna Model
Rated Power
of Mobile Two-
Way Radio Recommended
Minimum Lateral
Distance from
Transmitting Antenna
For the DTX-145:
Ram1545 (vertical whip)
7 W or less
29 cm (11.4 in)
For the DTX-445:
Ram1545 (vertical whip)
Cushcraft PE-457-6 (6dB Yagi)
10 W or less
10 W or less
17 cm (6.7 in)
56 cm (22 in)
2.2.4 Antennas
Install vertical omnidirectional antennas above a suitable ground plane taking
into account the recommended minimum distance in TABLE 2-1. The antenna
installation should additionally be in accordance with:
ƒ The requirements of the antenna manufacturer/supplier.
ƒ Instructions in the Radio Installation Manual, including minimum
antenna cable lengths.
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