1 pointFrequency chart... https://www.droid-life.com/2015/02/05/us-wireless-carrier-bands-gsm-cdma-wcdma-lte-verizon-att-sprint-tmobile/ Sent from my Pixel 2 using Tapatalk I've used Wilson boosters and surecall boosters for work. We use att, Verizon, and Sprint. It's hit or miss whether it will help or not. A note of advice,. Be sure there is plenty of separation between interior antenna and exterior antenna.