15
T E C H N I C A L S P E C I F I C AT I O N S
EN
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 X
4
TM
Knee Brace Sensor is used exceeds the applicable
RF compliance level above, the X
4
Knee Brace Sensor should be observed to verify
normal operation. If abnormal performance is observed, additional measures may
be necessary, such as reorienting or relocating the X
4
Knee Brace Sensor.
b
Over the frequency range
150
kHz to
80
MHz, field strengths should be less than
3
V/m.
Summary of Contents for X4
Page 1: ...X4TM Knee Brace Instructions for Use ...
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