HP ProBook 4420s HP ProBook 4320s, 4321s, 4420s, and 4421s Notebook PCs - Mai - Page 27
Wireless antennas (select models only)
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Wireless antennas (select models only) The antennas send and receive signals from one or more wireless devices. These antennas are not visible from the outside of the computer. 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 in Help and Support. Wireless antennas (select models only) 19