HP Notebook Series Hardware Manual page 125

Modem and Network Connections
Identifying the wireless antenna
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WARNING: Exposure to Radio Frequency Radiation
The radiated output power of this device is below the FCC radio
frequency exposure limits. Nevertheless, the device should be used in
such a manner that the potential for human contact during normal
operation is minimized. To avoid the possibility of exceeding the FCC
radio frequency exposure limits, human proximity to the antennae
should not be less than 20 cm (8 inches) during normal operation,
including when the notebook display is closed.
Hardware Guide 7–11