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EMC Guidance
Table 6: Recommended separation distances between portable and mobile RF communications equipment and the ME EQUIPMENT or
ME SYSTEM – for ME EQUIPMENT and ME SYSTEMS that are not LIFE-SUPPORTING
Recommended separation distances between portable and mobile RF communications equipment and the device.
The device is intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or the
user of the device can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile RF
communications equipment (transmittters) and the device as recommended below, according to the maximum output power of the
communications equipment.
Rated maximum output power of
transmitter (W)
0.01
0.1
1
10
100
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in meters (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
Note 2
61
Separation distance according to frequency of transmitter (m)
150 kHz to 80 MHz
3.5
P
d =
[—]
V
1
Not applicable
Not applicable
Not applicable
Not applicable
Not applicable
At 80MHz and 800MHz, the separation distance for the higher frequency range applies.
These guidelines may not apply in all situations. Electromagnetic propagation is affected by
absorption and reflection from structures, objects and people.
80 MHz to 800 MHz
800 MHz to 2.5 GHz
d = 1.167
d = 2.2333
0.117
0.233
0.369
0.738
1.167
0.233
3.690
7.338
11.67
23.33
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