HP EliteBook 8470w Mobile Workstation - Manual (Page 28)

Component Description
(7) Bluetooth compartment Supports a Bluetooth device.
(8) Service door Provides access to the hard drive bay, the wireless
LAN (WLAN) module slot, and the memory module
slots.
CAUTION: To prevent an unresponsive system,
replace the wireless module only with a wireless
module authorized for use in the computer by the
governmental agency that regulates wireless devices
in your country or region. If you replace the module
and then receive a warning message, remove the
module to restore computer functionality, and then
contact support.
18 Chapter 2 Getting to know your computer