HP Compaq Presario CQ42-152TU Notebook PC - Manual (Page 20)

Wireless antennas
At least 2 antennas send and receive signals from one or more wireless devices. These antennas are
not visible from the outside of the computer.
NOTE: For optimal transmission, keep the areas immediately around the antennas free from
obstructions.
To see wireless regulatory notices, refer to the section of the Regulatory, Safety and Environmental
Notices that applies to your country or region. These notices are located in Help and Support.
10 Chapter 1 Features