ESD Protection for Outdoor PoE Devices Damaging electrostatic discharge attacks and surges are diverted to the ETH-SP and safely discharged into the ground, so network devices are protected. Additional ESD Protection All Ubiquiti? airMAX? devices are equipped with built-in ESD protection, so the ETH?SP adds another layer of protection to your outdoor, high-speed network. Plug and Play Installation Connect the ground and Ethernet cables in between your network devices. https://www.ubnt.com/unifi/unifi-ap-ac-lite/ Accessories