Network Tap for use with 10/100/1000Base-T Ethernet link | Reliable and high performance. Tested with maximum in-line cable length (200m) at full 1Gbps data throughput with no single packet loss | Capable of being powered from a computer's USB port with built-in inrush current limiting circuit to prevent the computer from possible damages or disturbances by instantaneous current surge | Compatible with Power-over-Ethernet (PoE) | Probably the smallest portable GbE Network Tap available on the market