Appendix - EMC - 85
Recommended Distances Between Portable RF Equipment and the Device
The device is intended for use in an environment in which RF disturbances are controlled. The customer or user can prevent electromagnetic
interference by maintaining a minimum distance between RF equipment (transmitters) and the device as recommended in the table below
Rated maximum
output power of
transmitter (W)
Separation distance according to frequency of transmitter
(m)
150 kHz to 80 MHz
d=1.17
P
80 MHz to 800 MHz
d=1.17
P
800 MHz to 2.5 GHz
d=2.33
P
0.01 0.12
0.12
0.23
0.1
0.37
0.37
0.74
1 1.17
1.17
2.33
10
3.70
3.70
7.38
100 11.70
11.70
23.33
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in metres (m) can be determined
using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the transmitter in watts (W)
according to the transmitter manufacturer.
Notes:
(1) At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
(2) These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from structures,
objects and people.
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