D link39s dpe 301gi 1 port poe injector is used to provide it professionals with the benefits of power over ethernet poe even when other devices in the network do not support it with poe technology low voltage dc power and ethernet data signals are combined on a single network cable which facilitates powering of end devices like ip cameras wireless access points aps and voip phones this reduces cable clutter eliminates the need for dedicated electrical outlets on the wall ceiling or other