What Does Femtocell Mean?
A femtocell is a small, fully featured, low-powered cellular base station. A femtocell is typically connected to a mobile operator’s network via a standard broadband DSL or cable service. Femtocells are so small they resemble Wi-Fi modems. They are designed for homes or business establishments.
Techopedia Explains Femtocell
A femtocell designed for homes can usually support between two and four mobile phone users simultaneously, while those designed for enterprises can support eight to 16 simultaneous users. These tiny base stations are normally placed indoors, where signals from outdoor cell sites can have difficulty reaching mobile phone users.