# 2 SIM Card & Power

- [2.1 Signal Quality](/manual/2-sim-card-and-power/2.1-signal-quality.md): Good 4G LTE mobile signal quality is a fundamental factor in getting a stable and fast internet connection over the mobile network.
- [2.2 Insert A SIM Card](/manual/2-sim-card-and-power/2.2-insert-a-sim-card.md): The EZR24 router requires to insert SIM card to connect to the mobile internet networks.
- [2.3 Power Supplies](/manual/2-sim-card-and-power/2.3-power-supplies.md): The EZR24 router uses a 12Volt DC power adapter. Please ensure to use the correct voltage and current if using other power sources.
- [2.4 Install Antennas](/manual/2-sim-card-and-power/2.4-install-antennas.md): The EZR24 router uses MIMO antennas on both mobile and Wi-Fi connections.
- [2.5 Indicators](/manual/2-sim-card-and-power/2.5-indicators.md): Instructions to the status and descriptions on each indicator of the EZR24 router.