Brand: Cisco · SKU: AIR-CT5520-K9 · MPN: AIR-CT5520-K9 · Category: Components
The Cisco 5520 Wireless Controller is a highly scalable, service-rich, resilient, and flexible platform designed for medium-sized to large enterprise and campus deployments. Optimized for 802.11ac Wave 2 performance, it provides centralized control, management, and troubleshooting for up to 1500 access points and 20,000 clients. The controller delivers up to 20 Gbps aggregate throughput and supports 1-Gbps and 10-Gbps connectivity. It ensures high availability through redundant hot-swappable power supplies and subsecond access point and client failover. Its compact 1RU form factor makes it suitable for data centers and rack-mount environments while offering advanced features like Application Visibility and Control (AVC) and integrated security protocols.
| Interfaces | 2 x 10 Gigabit Ethernet (SFP+) or 2 x 1 Gigabit Ethernet (SFP) |
|---|---|
| Throughput | 20 Gbps aggregate |
| Form Factor | 1 Rack Unit (1RU) |
| Power Supply | Dual redundant, hot-swappable AC power supplies |
| Maximum Clients | 20,000 |
| Management Ports | 1 x 10/100/1000 RJ-45 Ethernet (Service Port), 1 x RJ-45 Console |
| Wireless Standards | 802.11a/b/g/d/e/h/k/n/r/u/w/ac Wave 1 and Wave 2 |
| Maximum Access Points | 1500 |
| Warranty | 3-Year Limited Hardware Warranty |
| Weight | 27.5 lbs (12.5 kg) |
| Dimensions | 1.70 x 18.98 x 30.98 in (4.32 x 48.2 x 78.7 cm) |
The Cisco AIR-CT5520-K9 is a next-generation wireless controller optimized for 802.11ac Wave 2 performance and large-scale networks. It provides the scalability and flexibility needed for diverse enterprise environments, supporting both centralized and distributed deployment models.
Yes, this Cisco 5520 Wireless Controller (AIR-CT5520-K9) is 100% genuine Cisco hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This Cisco 5520 Wireless Controller includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the AIR-CT5520-K9.