Assertion: radio wave's range | /r/HasProperty | 3 to 20 miles
Facets:
value: usually
type: TEMPORAL
Source sentences:
text: These systems have a fairly limited range, usually 3 to 20 miles (4.8 to 32 km) depending on terrain.
text: These systems have a fairly limited range, usually 3 to 20 miles (4.8 to 32 km) depending on terrain.