The BA-CPA/20 Five bands B2/B25-B4/B66-B5 signal booster working principle is the downlink amplifies the strongest cell phone signal from cell tower which is captured by the outdoor antenna,and the uplink works to receive the cellphone signal,after amplification and transmit to the cell tower.

The booster coverage up to 800m2 when it is full output power.

In addition to the high-definition digital LCD on the device, you can also connect the device to WIFI, and then monitor the device remotely through the cellphone IoT App.

During the use of the product, you don't have to worry about the installation and quality of the product. When the device is connected to WIFI, and a fault occurs, the fault information will be actively reported to the user and the factory at the same time, and the signal expert will follow up and remind the user to check the booster and offers solutions.

---

On May 15, 2024 at 21:49:54 PDT, seller added the following information: