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Vers. 20210510ENG Page 37
Table 4 – Recommended isolation distance between portable and mobile radio frequency
communication equipment and products.
The product is expected to be used in radio frequency radiation disturbance controlled
electromagnetic environment. Depending on the maximum output power of the
communication equipment, the buyer or user of the product can prevent electromagnetic
interference by maintaining the minimum distance between the portable and mobile radio
frequency communication equipment (transmitter) and the product.
For the maximum rated power of the transmitter not listed in the table above, the
recommended isolation distance (d), in meters (m), can be determined by the formula in the
corresponding transmitter frequency bar, where (P) is the maximum rated output power of
the transmitter provided by the transmitter manufacturer, in watts ( W ).
NOTE: At 80 MHz and 800 MHz frequencies, the formula of higher frequency band should
be adopted.
NOTE: These guidelines may not be suitable for all situations. Electromagnetic propagation
is affected by the absorption and reflection of buildings, objects and human bodies.