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DEXIS
Recommended Separation Distances Between
Portable and Mobile RF Communications Equipment and the DEXIS Sensor
The DEXIS sensor is intended for use in an electromagnetic environment in
which radiated RF disturbances are controlled. The customer or the user of the
DEXIS sensor can help prevent electromagnetic interference by maintaining a
minimum distance between portable and mobile RF communications equipment
(transmitters) and the DEXIS sensor as recommended below, according to the
maximum output power of the communications equipment.
Rated maximum
output power
of transmitter
in Watts
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 estimated using the equation applicable to the
frequency of the transmitter, where P is the maximum output power rating of the transmit-
ter 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.
B-6
Separation distance according to frequency of transmitter
150 kHz to 80
80 MHz to 800
MHz
d
3
/ 5 .
V
) 1
P
d
0.12
0.37
1.17
3.69
11.67
in meters
800 MHz to 2,5
MHz
GHz
3
/ 5 .
E
) 1
P
d
0.12
0.23
0.37
0.74
1.17
2.33
3.69
7.38
11.67
23.33
/ 7
E
) 1
P
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