HP ProBook 4720s Notebook-PC - Manual (Page 21)

Component Description
(1) WWAN antennas (2)* Send and receive wireless signals to communicate with wireless
wide area networks (WWANs).
(2) WLAN antennas (2)* Send and receive wireless signals to communicate with wireless
local area networks (WLANs).
*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 Regulatory, Safety and Environmental
Notices that applies to your country or region. These notices are located on the user guide CD included
with your computer.
Identifying hardware 11