By Marguerite Reardon The CellSpot device, part of the carrier’s larger push to improve network coverage, acts as a mini cell phone tower in your home or office.

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Source:: http://cnet.com.feedsportal.com/c/34938/f/645093/s/4b2cbdbc/sc/28/l/0L0Scnet0N0Cnews0Ct0Emobile0Ewants0Eto0Eboost0Eyour0Eindoor0Ecell0Esignal0C0Tftag0FCAD590Aa51e/story01.htm