These wired security camera systems use Internet ... No, you don’t always need an NVR for a PoE camera, although some systems require it. An alternative is purchasing a PoE camera compatible ...

The Arecont Vision NVR offers the choice of 8 or 16 channel models (one channel = one camera sensor), each with built in PoE network switch, customer-replaceable hard drives, and Arecont Vision GUI ...