Designed for crowded public outdoor venues, the Zyxel WAC6550 Series access points provide Gigabit wireless connectivity to hundreds of users. With Zyxel's commitment to RF First, the WAC6550 Series is able to improve both performance and user satisfaction in public environments. The WAC6552D-S features Zyxel's field-proven smart antenna that dynamically changes signal pattern and mitigate interference to extend coverage and provide greater reliability to mobile clients. The WAC6550 Series offers up to IP67 industry-grade weather proofing and the capability to work in extremely high- or low-temperature conditions. As Zyxel's commit to RF First, the WAC6552D-S is built with smart antenna and low-noise elements to delivering superior wireless performance. In addition, the built-in surge protector of WAC6552D-S provides an extra layer of protection for your investments against surges caused by lightning. The WAC6550 series featuring NebulaFlex Pro can be run by standalone, controller or Nebula Control Center to meet whatever your business need. For a straightforward network it can run in standalone mode, and for a complex one needed advanced features it can run with on-premises controller. And Nebula is designed to satisfy all situation with great scalability, feature-rich, and central management.