Extralink PoE 1-port Gigabit injector is used to power devices via an Ethernet cable.
The PoE gigabit injector is used to transfer power to active devices via a UTP/FTP cable.
Power over Ethernet, or PoE for short, is a technology based on several standards for the transmission of electricity via twisted-pair cable to Ethernet peripheral devices.
There are many types of PoE injectors on the market. The choice depends on how many devices we want to connect, whether it is possible to mount them in a rack etc.