HP ProBook 4525s - Notebook PC User Manual page 21

Component
(1) WWAN antennas (2)*
(2) WLAN antennas (2)*
*The antennas are not visible from the outside of the computer. For optimal transmission, keep the areas immediately around
the antennas free from obstructions.
To see wireless regulatory notices, refer to the section of the
Notices
that applies to your country or region. These notices are located on the user guide CD included
with your computer.
Description
Send and receive wireless signals to communicate with wireless
wide area networks (WWANs).
Send and receive wireless signals to communicate with wireless
local area networks (WLANs).
Regulatory, Safety and Environmental
Identifying hardware 11