Product Type | Wireless LAN Controller |
Manufacturer | Cisco Systems, Inc |
Brand Name | Cisco |
Product Name | 5520 Wireless Controller |
Product Series | 5500 |
Product Model | 5520 |
Manufacturer Part Number | AIR-CT5520-K9-RF |
Product Condition | Refurbished |
Form Factor | Rack-mountable |
Weight | 30 lbs |
Power Requirements | 400W AC power supplies (1+1 redundant, 80 PLUS Platinum certified) |
Redundancy | 1+1 power supply redundancy |
Hot Swappable Power Supply | Yes |
Warranty | 3-Year Refurbished Warranty |
Cisco 5520 Wireless LAN Controller with Rack Mount Kit (Refurbished)



Key Benefits

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- - Enterprise-class flexibility with support for multiple deployment modes ensures seamless scalability
- - Refurbished unit with 3-year limited warranty provides cost savings without compromising on reliability
- - TAA compliance and rack-mountable design make it ideal for government and corporate deployments
Product Overview
The Cisco 5520 Wireless Controller is built for high-scale deployments such as campus networks and service providers. Supporting IEEE 802.11ac and multiple deployment modes like centralized, FlexConnect™, and mesh, it integrates into the Cisco Unified Wireless Network. Its rack-mountable form factor, two RJ-45 ports, and management port make it infrastructure-ready. As a refurbished, TAA-compliant model with a 3-year warranty, it delivers enterprise-grade functionality with robust ROI.
Specifications
Product Overview
Wireless Features
Wireless LAN Standard | IEEE 802.11ac |
Supported Wi-Fi Standards | 802.11a/b/g/n/ac |
Maximum Supported APs | 1500 |
Maximum Number of Clients | 20000 |
Frequency Band Support | 2.4 GHz and 5 GHz |
Compliance & Origin
Country of Origin | United States / Mexico |
TAA Compliant | Yes |
Certifications | UL 60950-1, EMC Class A, FCC Part 15.109 |
RoHS Compliance | Yes |
Advanced Security Features
Integrated Firewall | Yes (Stateful packet inspection) |
Access Control | Role-Based Access Control (RBAC) |
WLAN Security Standards | WPA, WPA2, 802.1X |
Intrusion Detection/Prevention | Supported via Cisco CleanAir® and rogue AP detection |
Guest Access Control | Supported with internal or external web authentication |
Content Filtering | Available through Cisco security subscriptions |
Malware Protection | Supported via Cisco Threat Defense system |
Interfaces
Number of Network (RJ-45) Ports | 2 |
Management Port | 1 x 10/100/1000 RJ-45 |
Console Port | 1 x RJ-45 serial console port |
SFP+ Ports | 2 x 10 Gigabit Ethernet SFP+ |
USB Ports | 2 x USB 2.0 Type A |
Expansion Slots | 2 x SFP+/SFP combo mount slots |
Ethernet Technology | 10/100/1000Base-T, 10GBase-X |
Data Transfer Rate | Up to 20 Gbps throughput |
Physical & Environmental
Height | 1.7 inches (4.32 cm) |
Width | 30.98 inches (786.89 mm) |
Depth | 19 inches (48.26 cm) |
Mounting Type | Rack-mountable (1RU) |
Operating Temperature | 32°F to 104°F (0°C to 40°C) |
Storage Temperature | -40°F to 158°F (-40°C to 70°C) |
Operating Humidity | 10% to 90% (non-condensing) |
Storage Humidity | 5% to 93% (non-condensing) |
Cooling | Internal fans with front-to-back airflow |
Cloud Management & Licensing
Management Interface | Cisco Prime Infrastructure, Cisco DNA Center |
Supported Deployment Modes | Centralized, FlexConnect™, Mesh |
Licensing Model | Per Access Point (AP)-based licensing |
Included Licenses | Licenses for APs not included; purchased separately |