# SIM Card & PoE

- [Insert SIM Card](/sim-card-poe/insert-sim-card.md): The outdoor 4G router requires insert at least one SIM card to connect to the mobile internet networks. The SIM card is not included with the router.
- [Signal Strength](/sim-card-poe/insert-sim-card/signal-strength.md): Good 4G LTE mobile signal quality is fundamental to getting a stable and fast internet connection over the mobile network.
- [PoE LAN](/sim-card-poe/poe-lan.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.
- [Indicator & Enclosure](/sim-card-poe/indicator-and-enclosure.md)
- [Install Antennas](/sim-card-poe/antennas.md): The outdoor router use MIMO antennas on both mobile and Wi-Fi connections.