1. 4G LTE references connected device compatibility only. AT&T Cell Booster is designed to provide 4G LTE voice and data service on compatible devices. To conserve your mobile broadband data usage, use Wi-Fi if available. LTE is a trademark of ETSI.
2. The maximum range is 3,000 square feet with Cell Booster and 15,000 square feet with Cell Booster Pro. Actual range may be limited by factors such as building materials, obstructions, and connected device capability.