Dell Pro 14 Plus/Dell Pro 14 Plus 2-in-1 PB14250/PB14250 2-in-1 (Intel Core Ultra 200V Series) Owner's Manual

Installing the WWAN card

If you are replacing a component, remove the existing component before performing the installation procedure.

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

Insert the 5G WWAN card at an angle into the 5G WWAN-card slot on the I/O board.
NOTE:If you are replacing the 5G WWAN card, ensure that the thermal pad is in place.
NOTE:If you are replacing the I/O board, ensure to peel the thermal pad from the old I/O board to the new I/O board.
NOTE:If the thermal pad is damaged, peel the thermal pad from the I/O board and replace it with a new thermal pad. The thermal pad must be purchased separately.

Connect the antenna cables to the 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)

Align and place the WWAN-card shield on the WWAN card.
Replace the three screws (M2x4) that secure the WWAN-card shield to the WWAN and the palm-rest assembly.