Newline Z Series TT-5522Z-UC 55" 4K PCAP Touchscreen Interactive Display with OPS Computer and 4K Camera - Manual (Page 9)

Z Series Quick Start Guide
8
The Wi-Fi Module does not support hot plugging.
Therefore, you must insert or remove the Wi-Fi Module
when the display is powered off. Otherwise, the displays
or Wi-Fi Module may be damaged.
1. Unscrew the 2 screws on the Wi-Fi Module port and remove the
shielding cover.
2. Insert the Wi-Fi Module into the port on the rear of the panel until
firmly seated, using the 2 screws to secure it.