Dell Latitude 3301 Service Manual page 32

1 Remove the screw (M2x2.5) that secures the WWAN card bracket to the WWAN card.
2 Note the alignment of the WWAN-card bracket before lifting it off the WWAN card.
3 Disconnect the antenna cables from the WWAN card.
4 Slide and remove the WWAN card from the WWAN card slot.
Installing the WWAN card
NOTE: This procedure is only applicable for computers shipped with a WWAN configuration.
If you are replacing a component, remove the existing component before performing the installation procedure.
The following image indicates the location of WWAN card and provides a visual representation of the installation procedure.
32 Removing and installing components