E.F. Johnson Company VIKING VX Manual page 4

Vhf ltr 25w-110w
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This fixed station radio transceiver was tested by the manufacturer with an appropriate antenna in order to verify compliance
with Maximum Permissible Exposure (MPE) limits set under Section 2.1091 of the FCC Rules and Regulations. The guide-
lines used in the evaluation are derived from Table 1 (B) titled "Limits For General Population/Uncontrolled Exposure" which
is from FCC report OET bulletin #65.
(B) Limits For General Population/Uncontrolled Exposure
Frequency Range (MHz)
0.3 - 1.34
1.34 - 30
30 - 300
300 - 1500
1500 - 100,000
f = Frequency in MHz
Table 2 lists the antennas recommended for use in the VHF frequency range. Each model of this radio was tested with the
appropriate antenna listed. The antenna shall be mounted to a tower and be a minimum of 10 meters above the ground at the
lowest point on the antenna. The radio manufacturer has determined that the user and service personnel should remain four (4)
meters in distance away from the antenna when transmitting. By maintaining this distance, these individuals are not exposed to
radio frequency energy or magnetic fields in excess of the guidelines set forth in Table 1 (B).
NOTE: Other antennas or installation configurations that have not been tested may not comply with FCC RF exposure limits
and therefore are not recommended.
October 1995
Part No. 001-2008-202
FCC EXPOSURE LIMITS
Table 1 (B)
FCC Limits for Maximum Permissible Exposure (MPE)
Electric Field Strength
(E) (V/m)
614
824/f
27.5
--
--
*Plane-wave equivalent power density.
Recommended Antennas
(Antenna Manufacturer - Decibel Products)
Frequency
132-144 MHz
144-178 MHz
Magnetic Field Strength
(H) (A/m)
1.63
2.19/f
0.073
--
--
Table 2
Antenna Model No.
DB205E
DB205F
1-4
Power Density
2
(S) (mW/cm
)
(100)*
2
(180/f
)*
0.2
f/1500
1.0

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