# SIM Card & PoE

- [2.1 Insert SIM Card](/lte/sim-card-poe/sim-card.md): The outdoor 4G router requires inserting at least one SIM card to connect to the mobile networks. The SIM card is not included with the router.
- [2.2 PoE and Power](/lte/sim-card-poe/poe-power.md): The outdoor router takes electric power from the PoE injector. It can also receive WAN or provide a LAN Ethernet connection through the PoE injector.
- [2.3 Indicators](/lte/sim-card-poe/indicator.md)