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Recommended separation distance between portable and mobile RF communications
equipment and the NE-C801
The NE-C801 is intended for use in an electromagnetic environment in which radiated RF
disturbances are controlled. The customers or the users of the NE-C801 can help prevent
electromagnetic interference by maintaining a minimum distance between portable and mobile
RF communications equipment (transmitters) and the NE-C801 as recommended below,
according to the maximum output power of the communications equipment.
Output Power of
Transmitter in Watt
Separation distance according to frequency of transmitter in meter
150 kHz to 80 MHz
d = 1.2 √P
80 kHz to 800 MHz
d = 1.2 √P
800 MHz to 2.5GHz
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 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: At 80MHz and 800MHz, the separation distance for the higher frequency range applies
Note: These guidelines may not apply in all situations. Electromagnetic propagation is
affected by absorption and reflection from structures, objects, and people.
EMC tests have included the AC adapter as included with the product.
GUIDANCE AND MANUFACTURER'S DECLARATION
NE-C801S-Z_A_M_E_SP_041311.indd 30 4/13/11 10:20:59 AM