Ubiquiti PoE Adapter Compatibility with the airGateway® Specific PoE Adapter models are designed to work with the airGateway. The airGateway is a compact CPE (consumer premises equipment) gateway with built-in Wi-Fi used to connect the subscriber’s local network to the WISP network. Protection Ubiquiti PoE Adapters provide a variety of features to help protect your PoE devices: - Surge protection - Clamping protection - Maximum surge discharge - Peak pulse current - AC cable with earth ground Electrostatic discharge (ESD) is the leading cause for outdoor device failures. You can effectively protect against ESD damage using a grounded Ubiquiti PoE Adapter, TOUGHCable™, and TOUGHCable Connectors.