2 - 16 WS80A Service Manual
▌ Recommended distance between wireless communication
device and this product
This product is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The user can help prevent electromagnetic interference by
maintaining a minimum distance between portable and mobile RF communications
equipment (transmitters) and this product 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]
150kHz to 80MHz
80MHz to 800MHz
800MHz to 2.5GHz
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 the maximum power rated output of transmitters not on the above list, the recommended
separation distance, d(m), can be calculated by using the equation applicable to the transmitter's
frequency. p is the maximum power rated output (in Watts) of the transmitter.
Note 1) At 80MHz and 800MHz, a separation distance for a higher frequency range applies.
Note 2) This guideline may not be applicable to every situation. The electromagnetic wave can be
absorbed or reflected by structures, objects, or humans.
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