The power supply of 4g lte router with sim card slot usually refers to the components or equipment that provide power for its normal operation, main types as follows.

1.Adapter: It is the most common form of power supply for 4g lte router with sim card slot, usually provided by an external power adapter with a connecting cable, input and output voltage will be marked on the adapter, normally input is AC110V- 220V, output may be DC 5V, 12V, 24V or 48V etc.

2.Built-in battery: Some 4g lte router with sim card slot may be equipped with rechargeable lithium batteries to allow them to operate for long periods of time without external power, this design is particularly suitable for field operations or emergency communication scenarios when outside power off.

3.Solar power supply: For some special application scenarios such as network coverage in remote areas, solar panels may be used to provide power for 4g lte router with sim card slot, this method is environmentally, friendly and sustainable, but the initial investment cost is higher.

4.PoE (Power over Ethernet): This is a technology that provides data connection and power supply to devices through Ethernet cable, PoE-powered 4g lte router with sim card slot needs to be used with a switch or injector that supports PoE.

5.Vehicle power supply: For vehicle or mobile application scenarios, a vehicle inverter may be used to convert the car’s 12V DC power into DC power required by 4g lte router with sim card slot.

Different 4g lte router with sim card slot support different power types so power supply selection and usage needed to be matched according to specific device specifications.