HP EliteBook 820 G1, HP EliteBook 725 G2, & EliteBook 720 G1 Notebook PCs - Maintenance and Service Guide

3. Remove the WWAN module (3) by pulling the module away from the slot at an angle.
NOTE: If the WWAN antenna cables are not connected to the terminals on the WWAN module, protective
sleeves should be installed on the antenna connectors, as shown in the following illustration.
Reverse this procedure to install the WWAN module.
Component replacement procedures 75