HP EliteBook 8470w Maintenance And Service Manual page 78

3. Remove the WLAN module (3) by pulling the module away from the slot at an angle.
NOTE:
NOTE: If the WWAN antennas are not connected to the terminals on the WWAN module, the
protective sleeves must be installed on the antenna connectors, as shown in the following illustration.
Reverse this procedure to install the WWAN module.
70 Chapter 4 Removal and replacement procedures
WWAN modules are designed with a notch (4) to prevent incorrect insertion.