34
Guidance and Manufacturer’s Declaration
Recommended Separation Distances
Between Portable and Mobile
RF Communications Equipment
and the Device
The iLIGHT
®
device is intended for use in
an electromagnetic environment in which
radiated RF disturbances are controlled.
The customer or device user can help
prevent electromagnetic interference by
maintaining a minimum distance between
portable and mobile RF communications
equipment (transmitters) and the device
as recommended, according to
the maximum output power of the
communications equipment.
RATED MAXIMUM OUTPUT
POWER OF TRANSMITTER W
SEPARATION DISTANCE ACCORDING TO FREQUENCY OF TRANSMITTER M
150 KHZ TO 80 MHZ
80 MHZ TO 800 MHZ
800 MHZ TO 2,5 GHZ
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 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.
a
Field strengths from fixed transmitters, such as base stations for radio (cellular/cordless) telephones and land mobile radios, amateur radio, AM and FM
radio broadcast and TV broadcast cannot be predicted theoretically with accuracy. To assess the electromagnetic environment due to fixed RF transmitters,
an electromagnetic site survey should be considered. If the measured field strength in the location in which the iLIGHT
®
device is used exceeds the
applicable RF compliance level above, the device should be observed to verify normal operation. If abnormal performance is observed, additional
measures may be necessary, such as re-orienting or relocating the ME EQUIPMENT or ME SYSTEM.
b
Over the frequency range of 150 kHz to 80 MHz, field strengths should be less than [V1] V/m.
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