4 Port Fast Ethernet Smart POE Switch4 × 100 Mbps PoE RJ45 ports, 2 × 100 Mbps network RJ45 portsIEEE 802.3at/af/bt standard for PoE portsNetwork topology management, and alarm push6 KV surge protection for PoE portsUp to 300 m long-range transmissionAF/AT camera can reach up to 300 m in extend mode