Can a weBoost signal booster improve both voice and data signals? weBoost Support - June 21, 2017 23:09 Related articles I don't see any improvement after installing the eqo Booster. What should I do? Can a weBoost signal booster improve signal outside a building or vehicle? What do the bars on your phone really mean? Is there a solution that can improve my cell phone reception? Where can I see installation and product selection videos? Yes. Our boosters will amplify all data and voice signals in the U.S. and Canada.