PLC refers to Powerline Communication, it’s a kind of technology that transmitting data over existing power lines. To achieve this, a pair of Powerline Ethernet Adapters should be used, they also as refered as PLC modems. By using the PLC network cameras, the users don’t need to use Ethernet cables to connect the network cameras with the router /network video recorder, which in turn, can provide you flexibility on installation while reduce the installation cost.