10
Electromagnetic Compatibility
NOTE 1: At 80 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
surfaces, objects, and people.
(1) Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios, am-
ateur radio, AM and FM radio broadcast and TV broadcast cannot be predicted theoretically with accuracy to asses the electromag-
netic environment due to fixed RF transmitters, an electromagnetic site survey should be considered. If the measured field strength
in the location in which the BayPort
TM
6-Bay Charger is used exceeds the applicable RF compliance level above, the BayPort
TM
6-Bay
Charger should be observed to verify normal operation. IF abnormal performance is observed, additional measure may be necessary,
such as re-orienting or relocating the BayPort
TM
6-Bay Charger.
(2) Over the frequency range 150kHz to 80MHz, field strengths should be less than 3 V/m.
Recommended separation distances between portable and mobile RF communications equipment and the BayPort
TM
6-Bay Charger
The BayPort
TM
6-Bay Charger is intended for use in an electromagnetic environment in which radiated RF disturbances are con-
trolled. The customer or user of the BayPort
TM
6-Bay Charger can help prevent electromagnetic interference by maintaining a
minimum distance between portable and mobile RF communications equipment (transmitters) and the BayPort
TM
6-Bay Charger as
recommended below, according to the maximum output power of the communications equipment.
Rate maximum output power
of transmitter
Separation distance according to frequency of transmitter in meters
W
150 kHz to 80 MHz
d = 1.17 P
80 MHz to 800 MHz
d = 1.17 P
800 MHz to 2.5 GHz
d = 2.23 P
.01
0.12
0.12
0.23
.1
0.37
0.37
0.737
1
1.17
1.17
2.33
10
3.70
3.70
7.37
100
11.70
11.70
23.30
For transmitters rated at a maximum output power not listed above, the recommended separate distance d in meters (m) can be esti-
mated using the equation applicable to the frequency of the transmitter, where P is the maximum output power rating of the trans-
mitter 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: The ISM (industrial, scientific and medical) bands between 150 kHz and 80 MHz are 6.765 MHz to 6.795 MHz; 13.553
MHz to 13.567 MHz; 26.957 MHz to 27.283 MHz; and 40.66 MHz to 40.70 MHz.
NOTE 3: An additional factor of 10/3 has been incorporated into the formulae used in calculated the recommended separation dis-
tance for transmitters in the ISM frequency bands between 150 kHz and 80 MHz and in the frequency range 80 MHz to 2.5 GHz to
decrease the likelihood that mobile/portable communications equipment could cause interference if it is inadvertently brought into
patient areas.
NOTE 4: These guidelines may not apply in all situations. Electromagnetic propagation is affected by absorption and reflection from
surfaces, objects, and people.
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