HP EliteBook 745 G2 Maintenance And Service Manual page 67

3. Remove the WWAN module (3) by pulling the module away from the slot.
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.
ENWW
WWAN modules are designed with a notch to prevent incorrect insertion.
Component replacement procedures 55