Although mobile operators are increasingly optimistic about femtocells, there are many doubts circulating around this new technology as it struggles to resolve key challenges such as functionality and cost. These low-power radio systems, known as femtocells, plug into a residential broadband connection and enable mobile subscribers to use their existing mobile cellular handsets to access both data and voice services. Operators believe that they are capable of cutting costs and retaining more customers, but proof remains to be seen. In the last femtocells study, Frost & Sullivan is skeptical, outlining multiple challenges, that do not look like they could be resolved by the end of 2008.
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