The Ubiquiti Airmax INS 802.3AF Outdoor 48V POE Adapter is a high-quality power over Ethernet adapter designed for outdoor use. With surge protection, it ensures reliable power delivery to network devices, making it ideal for outdoor networking setups. This unit, part of the Airmax Instant series by Ubiquiti Networks, provides a single 802.3AF output and is a must-have for businesses and networking enthusiasts looking for a durable and efficient solution for powering their outdoor network switches and hubs.