PainShield® MD User Manual
26
Table 3: PainShield® MD Recommended Separation Distances
Recommended Separation Distances Between Portable and Mobile RF Communications
Equipment and PainShield® MD
PainShield® MD is intended for use in an electromagnetic environment in which radiated
RF disturbances are controlled. The customer or user of PainShield® MD can help prevent
electromagnetic interference by maintaining a minimum distance between portable and
mobile RF communications equipment (transmitters) and PainShield® MD as
recommended below, according to the maximum output power of the communications
equipment.
Rated maximum
output power of
transmitter, W
Separation distance according to frequency of transmitter, m
150 kHz to 80 MHz
P
V
d
1
5
.
3
Separation
Distance, meters
80 MHz to 800 MHz
P
E
d
1
5
.
3
Separation
Distance, meters
800 MHz to 2.5 GHz
P
E
d
1
7
Separation Distance,
meters
0.01
0.12
0.12
0.23
0.1
0.37
0.37
0.74
1
1.17
1.17
2.33
10
3.69
3.69
7.38
100
11.67
11.7
23.33
For transmitters rated at a maximum output power not listed above, the separation
distance can be estimated using the equation in the corresponding column, where P is
the maximum output rating of the transmitter in watts (W) according to the transmitter
manufacturer. V1 is COMPLIANCE LEVEL for the IEC 61000-4-6 test and E1 is the
COMPLIANCE LEVEL for the IEC 61000-4-3 test. V1 and E1 are in V/m.
NOTE 1: At 80 MHz and 800 MHz, the separation distance for 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.
Summary of Contents for PainShield
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