21
ELECTROMAGNETIC DIST
ANCE RECOMMENDA
TIONS
ELECTROMAGNETIC DISTANCE RECOMMENDATIONS
Recommended separation distances between portable and mobile RF communications equipment and the Ultima
12(KM908) and Ultima 9(KM907)
The Ultima 12(KM908) and Ultima 9(KM907) are intended for use in an electromagnetic environment in which radiated RF disturbances are controlled. The customer or
the user of the Ultima 12(KM908) and Ultima 9(KM907) can help prevent electromagnetic interference by maintaining a minimum distance between portable and mobile
RF communications equipment (transmitters) and the Ultima 12(KM908) and Ultima 9(KM907) 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
d =1,2√P
80 MHz to 800 MHz
d =1,2√P
800 MHz to 2.5 GHz
d =2,3√P
0.01
0.12
0.12
0.23
0.1
0.38
0.38
0.73
1
1.2
1.2
2.3
10
3.8
3.8
7.3
100
12
12
23
For transmitters rated at a maximum output power not listed above, the recommended separation distance d in metres (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.
NOTE1 At 80 MHz and 800 MHz, the separation distance for the higher frequency range applies.
NOTE2 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 LaserComb Ultima 9 Classic
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