NOTE1 At 80MHz and 800MHz, the frequency range applies.
NOTE2 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 H10 is used exceeds the
applicable RF compliance level above, H10 should be observed to
verify normal operation. If abnormal performance is observed,
additional measures may be necessary, such as reorienting or
relocating H10.
b. The ISM (industrial, scientific and medical) bands
between 0.15 MHz 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. The amateur radio bands between 0.15
MHz and 80 MHz are 1.8 MHz to 2.0 MHz, 3.5 MHz to 4.0 MHz,
5.3 MHz to 5.4 MHz, 7 MHz to 7.3 MHz, 10.1 MHz to 10.15 MHz,
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