Likely to get lost among the shiny new Android and Windows smartphones and tablets at this week's Mobile World Congress in Barcelona are demonstrations of technology that could bring LTE indoors over the 3.5 GHz wireless spectrum band previously the sole domain of the military and satellite providers. But the exploitation of the Citizens Broadband Radio Service in the 3550-3700 MHz band, which the FCC voted about a year ago to make available for shared wireless broadband use , is worth paying attention to, especially if you're an organization that could stand to deliver more oomph for your employees who rely on wireless devices to make and receive calls in the office.