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NOTE 1—At 80 MHz and 800 MHz, 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.
The compliance levels in the ISM frequency bands between 150 kHz and 80
MHz and in the frequency range 80 MHz to 2.5 GHz are intended to
decrease the likelihood that mobile/portable communications equipment
could cause interference if it is inadvertently brought into patient areas. For
this reason, an additional factor of 10/3 is used in calculating the
recommended separation distance for transmitters in these frequency
ranges.
b.
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 theoretically predicted
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 where the AirLife
Driver is used exceeds the applicable RF compliance level above, the
AirLife
operation. If abnormal performance is observed, additional measures may
be necessary, such as re-orienting or relocating the AirLife
Driver.
c.
Over the frequency range 150 kHz to 80 MHz, field strengths should be less
than 3 V/m.
®
AirLife
nCPAP Operator's Manual
®
nCPAP System Driver should be observed to verify normal
®
nCPAP System
®
nCPAP System
33
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