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Table 3: Recommended Separation Distances Between Portable and Mobile RF
Communications Equipment and the LS7700 Light Source
The ConMed Linvatec LS7700 Light Source is intended for use in an electromagnetic environment
in which radiated RF disturbances are controlled. The customer or the user of the LS7700 Light
Source
can help prevent electromagnetic interference by maintaining a minimum distance between
portable and mobile RF communications equipment (transmitters) and the LS7700 Light Source as
recommended below, according to the maximum output power of the communications equipment.
Separation Distance According to Frequency of Transmitter
m
Read Maximum
Output Power
of Transmitter
150 kHz to 80 MHz 80 MHz to 800 MHz 800 MHz to 2.5 GHz
W d = 1.2 √ Pd = 1.2 √ Pd = 2.4 √ P
0.01 0.012 0.012 0.024
0.1 0.12 0.12 0.24
1 1.2 1.2 2.4
10 12 12 24
100 120 120 240
For transmitters rated at a maximum output power not listed above, the recommended separation
distances 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 absorption and reflection from structures, objects, and people.
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