Latitude 5550 Owner's Manual

Installing the 5G WWAN card

About this task

NOTE:The 5G WWAN card is available only on certain configurations. It is connected to the system with four antenna cables.

The following images indicate the location of the 5G WWAN card and provide a visual representation of the installation procedure.

1. Connect the antenna cables to the 5G WWAN card.

   The following table provides the antenna-cable color scheme for the 5G WWAN card that is supported on your computer.

   Table 1. Antenna-cable color scheme for 5G WWAN cardsThe following table provides the antenna-cable color scheme for the 5G WWAN card of your computer.

   Connectors on the WWAN card	Antenna-cable color	Silkscreen marking
   D/G	Black with a thin white stripe	ANT3 D/G	△ (white triangle)
   M2	Blue	ANT2 M2	△ (white triangle)
   M1	Orange	ANT1 M1	△ (white triangle)
   M	White with a thin gray stripe	ANT0 M	△ (white triangle)

2. Align the notch on the 5G WWAN card with the tab on the 5G WWAN-card slot.
3. Insert the 5G WWAN card at an angle into the 5G WWAN-card slot.
4. Align the screw hole on the 5G WWAN-card bracket with the screw hole on the 5G WWAN card and palm-rest assembly.
5. Replace the screw (M2x3) that secures the wireless-card bracket to the wireless card and the palm-rest assembly.
6. Align and place the 5G WWAN-card shield on the 5G WWAN card.
7. Replace the screw (M2x3) that secures the 5G WWAN bracket to the 5G WWAN card.