coveragemap
nounUK /ˈkʌvərɪdʒ mæp/
US /ˈkʌvərɪdʒ mæp/
A picture that shows where something can be found or reached.
The phone company showed us a coverage map of where their signal works.
OTHER MEANINGS
2. A chart showing which places a TV or radio station can be received.
The radio station printed a coverage map so listeners knew where to tune in.
3. A diagram showing the parts of an area that a service or study includes.
The health team used a coverage map to see which neighborhoods still needed checkups.
4. A visual plan showing where cameras or sensors can see.
The security guard checked the coverage map before placing the new camera.