Jetpacks only provide a local WiFi network or USB tethered connection.
If your goal is to boost cell phone reception then you will need some kind of a Verizon Network Extender or a 3rd party booster or repeater system.
We're glad you asked for more detail on this device, JULPEA4. This unit is designed to provide WIFI service wherever you are, on the go, by connecting to our towers. If you wish to improve on indoor cell phone reception, we recommend purchasing a Network Extender. You can see more detail about this device here: