Dell Latitude 7220EX Service Manual page 48

Steps
1. Peel the adhesive tape that secures the antenna cables.
2. Remove the screw (M2x3) that secures the WWAN card bracket to the WWAN card.
3. Remove the WWAN card bracket from the WWAN card.
4. Disconnect the antenna cables from the WWAN card.
5. Slide and remove the WWAN card from the WWAN card slot.
Installing the WWAN card
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The figure indicates the location of the WWAN card and provides a visual representation of the installation procedure.
Steps
1. Slide the WWAN card at an angle into the WWAN card slot.
2. Connect the antenna cables to the WWAN card. The following table provides the antenna-cable color scheme for the
WWAN card that supports your tablet.
48 Field service information