• The device may be configured with a wireless network module to receive
wireless signals. Other devices may interfere with this device even though
they meet the requirements of CISPR.
Recommended separation distances between portable and mobile RF
communications equipment and the device
The device is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customer or the user of the device can help prevent
electromagnetic interference by maintaining a minimum distance between portable and
mobile RF communications equipment (transmitters) and the device as recommended
below, according to the maximum output power of the communications equipment.
Rated maximum
output power of
transmitter W
Separation distance in meters (m) according to frequency of the
transmitter
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 1.20 1.20 2.30
10 3.80 3.80 7.30
100 12.00 12.00 23.00
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.
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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