On the first floor, we can see that the staff will have to use a key on the notebook, and also has a wifi adapter for the device itself rather than to spread Internet access.
On the first floor we can see that the reception will be using the notebook on the key data and provides a wifi router is a device for spreading internet access.
In class, we can see that the receptionist will need to use the notebook in the key information, and also the router WiFi as the equipment in broadcasting the Internet.