PoE adapter designed to power various Ubiquiti devices. Compatible with most products (check the device specification before determining compatibility): airFiber airMAX EdgeMAX mFi UniFi AP UniFi Video / airVision The adapter has a number of features that ensure the protection of PoE devices: Surge protection Reverse polarity protection Voltage spike suppression Current pulse smoothing AC cable with grounding EP (ESD) is a major cause of failure of outdoor device LAN ports. You can effectively protect devices from possible damage by using PoE adapters with grounding, shielded cable and shielded connectors.