Wan Setup; Figure 6 - Confirming The Success Of Activation - red lion BT-6821-AT-AC User Manual

Figure 6 – Confirming the success of activation
4.2

WAN Setup

After the modem has been activated, it must be configured in order to authenticate for use with the cellular network.
4.2.1 Enter the account information
Navigate to WAN (WAN Settings) to configure the WAN connection once the modem has been activated.