Dell Latitude 5420 Rugged - Installing the WWAN Card

4. Disconnect the antennae cables [3] and remove the WWAN card [4] out of the M.2 slot on the system board.
Installing the WWAN card
1. Install the WWAN card in the M.2 slot [1] on the system board and connect the antennae cables [2].
2. Secure the WWAN card using the metal bracket [3] and tighten the single M2.3 screw [4] securing the WWAN card to the system
board.
3. Install the:
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Removing and installing components