Aulisa Guardian Angel Rx GA2000, Instructions For Use Manual

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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 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 reorienting or relocating the device.
b. Over the frequency range 150 kHz to 80 MHz, field strengths
should be less than [3] V/m.
.
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.
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