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Recommended separation distances between portable and mobile RF communications
equipment and the Connex Device
The Connex Device is intended for use in an electromagnetic environment in which radiated RF disturbances are
controlled. The customer or user of the Connex Device can help prevent electromagnetic interference by maintaining a
minimum distance between portable and mobile RF communications equipment (transmitters) and the Connex Device as
recommended below, according to the maximum output power of the communications equipment.
Separation distance according to frequency of transmitter (m)
150 kHz to 80 MHz
Rated max. output
outside ISM bands
power of transmitter
(W)
0.01
0.12
0.1
0.37
1
1.17
10
3.69
100
11.67
For transmitters rated at a maximum output power not listed above, the recommended separation distanced 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 absorption and
reflection from structures, objects, and people.
150 kHz to 80 MHz in
80 MHz to 800 MHz
ISM bands
0.20
0.12
0.63
0.38
2.00
1.20
6.32
3.79
20.00
12.00
English 5
800 MHz to 2.7 GHz
0.23
0.73
2.30
7.27
23.00
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