neuroConn DC-Stimulator, User Manual, Page: 63 / 85

Chapter 8 - Electromagnetic compatibility
63
Rated maximum
output power of
transmitter
[W] Separation distance according to frequency of transmitter [m]
150 kHz to 80 MHz
d=[3.5/3]sqrt(P)
80 MHz to 800 MHz
d=[3.5/3]sqrt(P)
800 MHz to 2.5 GHz
d=[7/3]sqrt(P)
0.01 not applicable 0.2 0.4
0.1 not applicable 0.4 0.8
1 not applicable 1.2 2.4
10 not applicable 3.7 7.4
100 not applicable 11.7 23.4
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.
NOTE 1:
At 80 MHz and 800 MHz the higher frequency range applies.
NOTE 2:
These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption
and reflection from structures, objects and people.