This is a CONSUMER device. Before use, you must register this device with your wireless provider and have your provider’s consent. Most wireless providers consent to the use of signal boosters. AT&T, Sprint, T-Mobile, Verizon and 90 additional carriers have already given consent for all consumers to use this device.
https://www.amazon.com/Phonetone-Cellular-Repeater-Antennas-Approved/dp/B08GXDCK9S

