Dell OptiPlex Small Form Factor 7020 Owner's Manual page 85

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Figure 40. Removing the external SMA antenna module
Steps
1. Remove the nut and washer from the antenna heads.
2. Gently pry and remove the antenna heads from the chassis.
3. Remove the antenna cables from routing guides on the system board.
4. Remove the external SMA antenna module off the system board.
Installing the external SMA antenna module
CAUTION: The information in this section is intended for authorized service technicians only.
Prerequisites
If you are replacing a component, remove the existing component before performing the installation procedure.
About this task
The following images indicate the location of the external SMA antenna module and provide a visual representation of the
installation procedure.
Removing and installing Field Replaceable Units (FRUs) 85