1. Internet protocol: dhcp, static, pppoe, 3g, tethering or repeater. Tethering only
works in Android phones.
2. Wireless parameters: ssid, encryption and passsword
3. LAN IP
3G 4G settings
If you connect a 3G or 4G USB modem, you can set the internet to the modem.
You need to choose 3G as protocol, choose modem device, usually /dev/ttyUSBx,
choose umts or evdo, then input your apn etc.