16-8 EMC Guidance and Manufacturer’s Declaration
TABLE 7
RECOMMENDED SEPARATION DISTANCES BETWEEN PORTABLE AND MOBILE RF
COMMUNICATION DEVICE AND THE SYSTEM
Resona I9 series is intended for use in an electromagnetic environment in which radiated RF
disturbance are controlled. The customer or the user of system can help prevent electromagnetic
interference by maintaining a minimum distance between portable and mobile RF communication
equipment (transmitters) and system as recommended below, according to the maximum output
power of the communication equipment.
Maximum
of
Transmitter
(W)
Separation Distance According to Frequency of Transmitter
Out ISM and
amateur radio
bands
d=1.2
in ISM and amateur
radio bands
d=2
d=1.2
d=2.3
For transmitters at a maximum output power not listed above, the recommended separation
distanced in meters (m) can be determined 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.
If system image distortion occurs, it may be necessary to position system further from sources of
conducted RF noise or to install external power source filter to minimize RF noise to an acceptable
level.
Note 1: At 80 MHz and 800 MHz, the higher frequency range applies.
Note 2: These guidelines may not apply in all situations. Electromagnetic propag
ation is affected by
absorption and reflection from structures, objects and people.