- Notes, cautions, and warnings
- Working on your tablet
- Major components of the tablet
- Field service information
- Safety instructions
- Recommended tools
- Screw list
- Customer Replaceable Units (CRU) and Field Replaceable Units (FRU) list
- Disassembly and reassembly
- System setup
- Software
- Troubleshooting
- Getting help and contacting Dell
Latitude 7220EX Rugged Extreme Tablet Service Manual
Installing the WWAN card
Prerequisites
About this task
The figure indicates the location of the WWAN card and provides a visual representation of the installation procedure.
Steps
- Slide the WWAN card at an angle into the WWAN card slot.
- Connect the antenna cables to the WWAN card. The following table provides the antenna-cable color scheme for the WWAN card that supports your tablet.
Table 1. Connectors on the wireless card The following table provides the antenna-cable color scheme for the WWAN card for your tablet: Antenna Cable Color Main (white triangle) White Auxiliary (black triangle) Black - Place the WWAN card bracket on the WWAN card.
- Replace the screw (M2x3) to secure the WWAN card bracket to the WWAN card.
- Affix the adhesive tape to secure the antenna cables.
Next steps
- Install the display assembly.
- Install the stylus.
- Install the batteries.
- Install the system cover.
- Install the battery cover assembly.
- Follow the procedure in after working inside the tablet.
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