24
15140-101 Rev. C
Table 206
– Recommended Separation Distances between
Portable and Mobile RF Communications Equipment and the XCEL 455 for
ME Equipment and ME Systems that are NOT Life-supporting.
Guidance and Manufacturer’s Declaration - Electromagnetic Immunity
Recommended Separation Distances between
Portable and Mobile RF Communications Equipment and the Xcel 455
The Xcel 455 is intended for use in the electromagnetic environment in which radiated RF
disturbances are controlled. The customer or user of the Xcel 455 can help prevent electromag-
netic interference by maintaining a minimum distance between portable and mobile RF Com-
munications Equipment (transmitters) and the Xcel 455 as recommended below, according to
the maximum output power of the communications equipment.
Max Output Pow-
er of Transmitter
(W)
Separation (m)
150kHz to 80 MHz
d=(3.5/V1)(Sqrt P)
Separation (m)
80 to 800 MHz
d=(3.5/E1)(Sqrt P)
Separation (m)
800MHz to 2.5GHz
d=(7/E1)(Sqrt P)
0.01
0.1166
0.1166
0.2333
0.1
0.3689
0.3689
0.7378
1
1.1666
1.1666
2.3333
10
3.6893
3.6893
7.3786
100
11.6666
11.6666
23.3333
For transmitters rated at a maximum output power not listed above, the recommended separation distance (d)
in meters (m) can be estimated 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 separation distance for the higher frequency range applies.
Note 2: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorp-
tion and reflection from structures, objects, and people.
Guidance Tables
(continued)
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