cellular
Pronunciation: /ˈsɛljʊlə/
adjective
- 2denoting or relating to a mobile telephone system that uses a number of short-range radio stations to cover the area that it serves, the signal being automatically switched from one station to another as the user travels about.

Origin:
mid 18th century: from French cellulaire, from modern Latin cellularis, from cellula 'little chamber', diminutive of cella