femtocell

 
Pronunciation: /ˈfɛmtəʊsɛl/

noun

  • a very small mobile phone base station which is connected to the phone network via the Internet, typically used in areas where the mobile signal is weak and considered to be smaller than a picocell.

Origin:

early 21st century: from femto- (in the sense 'extremely small') and cell (sense 5)