Littlefeet, which makes antennas that can help prevent dropped calls on cell phones, said last week that it has raised $22 million in third-round venture funding.
Littlefeet says it will use the money to improve its antennas, which provide coverage in areas with weak signals. However, Littlefeet's system works only with GSM cellular networks, widely used in Asia, Europe and some parts of Latin America-but rarely in the United States.
AT&T Wireless and Cingular Wireless, which operate TDMA networks in the United States, are expanding their GSM networks to include new cities.
5 Top Federal Initiatives For 2015As InformationWeek Government readers were busy firming up their fiscal year 2015 budgets, we asked them to rate more than 30 IT initiatives in terms of importance and current leadership focus. No surprise, among more than 30 options, security is No. 1. After that, things get less predictable.