Your wireless usage counts against the data allowance in your monthly wireless plan.
Your AT&T Cell Booster® supports up to eight sessions at the same time. The AT&T Cell Booster Pro supports up to 64 sessions at the same time.
No. Whenever you can, use Wi-Fi® for streaming video, downloading files, or surfing the web. It’s the best option for mobile data use. Plus, using Wi-Fi doesn't count against your monthly wireless data allowance. Standard data rates apply when you use 4G LTE data services through your AT&T Cell Booster® instead of Wi-Fi.