"What about the building across the street?"
The main building is fully covered. But the library across the street? The workshop 500 meters away? Regular WiFi won't reach that far.
You need a point-to-point wireless link — a dedicated radio connection between two buildings using directional antennas. Think of it as an invisible cable through the air.
Work in Progress
This section will introduce the concept of inter-building connectivity using radio links and directional antennas.
Next step: