weBoost Support - March 30, 2018 16:52 Can a weBoost signal booster improve both voice and data signals? Print Yes. Our boosters will amplify voice and data signals for all major cellular carriers in the United States and Canada. Related articles I don't see any improvement after installing the eqo Booster. What should I do? Is there a solution that can improve my cell phone reception? Can a weBoost signal booster improve signal outside a building or vehicle? What do the bars on your phone really mean? Where can I see installation and product selection videos?