United States$5,000,000+
Inventory Delivered By
J
Justin Baker
5
Powerful controller with excellent throughput.
AIR-CT5520-K9
CISCO 5520 WL CONTROLLER W/RACK MNT KIT
FEATURED DEAL
Name:
AIR-CT5520-K9
- Description:
- CISCO 5520 WL CONTROLLER W/RACK MNT KIT
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 88442623612
- Condition:
- Warranty:
- 3
- List Price:
$27,332.00
- Price:
$9,204.0066.3% off
Quantity:
1
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AIR-CT5520-K9 Overview
AIR-CT5520-K9 is a high-performance wireless controller engineered to manage large-scale wireless networks with robust security and seamless integration. Designed for enterprise environments, it delivers reliable management through a comprehensive suite of features—including CLI, SNMP, and a web-based GUI—and supports advanced security protocols such as WPA2, WPA3, and 802.1X.
Optimized for rack mount installations in data centers and campus environments, this controller efficiently handles high-density deployments by managing up to 6000 access points and 64,000 clients. Its scalable architecture, multi-gigabit Ethernet connectivity via dual RJ-45 ports, and AC adapter power supply make it an ideal solution for large offices, campuses, and data centers requiring dependable centralized wireless management.
AIR-CT5520-K9 price is $9,204.00, a 66.3% saving from the Cisco list price of $27,332.00. AIR-CT5520-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-CT5520-K9 for additional pricing. Browse the full Cisco Wlan Controller series or explore all Cisco products.
AIR-CT5520-K9 Specifications
- Product Type
- Wireless Controller
- Wireless Type
- N/A
- Wi-Fi Standard
- N/A
- Frequency Bands
- N/A
- Data Rate
- N/A
- Max Range
- N/A
- Coverage Area
- N/A
- Connector Type
- RJ-45
- Antenna Type
- N/A
- Antenna Gain
- N/A
- MIMO Technology
- N/A
- Beamforming
- N/A
- Mounting Options
- Rack Mount
- Power Supply
- AC Adapter
- Mesh Networking
- N/A
- Ethernet Port
- 2x Gigabit
- Max Number of Devices Supported
- 6000
- Protocols Supported
- 802.11a/b/g/n/ac
- Management Features
- CLI, SNMP, Web GUI
- Security Features
- WPA2, WPA3, 802.1X, VPN
- Compliance
- FCC, CE, RoHS
- Processor
- Multi-core 2.4GHz
- Memory
- 8GB
- Outdoor Use
- No
- Product Name
- Cisco AIR-CT5520-K9 Wireless Controller
- Height
- 1U
- Width
- 17 inches
- Depth
- 16 inches
- Weight
- Approx. 22 lbs
AIR-CT5520-K9 Use Case
Enterprise Campus Wi-Fi Scalability and Security
Scenario: A multinational corporation deploys 800+ Cisco Aironet APs across a 200-building campus to support 15,000+ concurrent users. The AIR-CT5520-K9 Controller with rack-mount kit centralizes configuration, enforces WPA3 and 802.1X authentication, and enables seamless roaming between buildings. Benefit: Delivers 40 Gbps aggregate throughput, reduces configuration drift by 90%, and enforces enterprise-grade security policies—ensuring consistent performance and compliance across all sites.
High-Density Venue Wireless Operations
Scenario: A major convention center and stadium hosts events with up to 50,000 devices streaming HD video and interactive apps. The Cisco 5520 WL Controller with rack mount kit orchestrates 1,200-AP deployments, applies RF-resource management and airtime fairness, and integrates with Cisco DNA Analytics for real-time client insights. Benefit: Achieves sub-50 ms roaming, optimizes spectrum usage for 200% higher client density, and provides actionable analytics—driving superior fan experiences and accelerating venue monetization.
Retail Chain Multi-Site Rollout and PCI Compliance
Scenario: A nationwide retailer with 300 branches needs secure POS, guest Wi-Fi, and inventory IoT connectivity. The AIR-CT5520-K9 controller rack module enables zero-touch provisioning, network segmentation via Cisco TrustSec, and centralized firmware updates. Benefit: Cuts site go-live time by 70%, maintains PCI-DSS compliance through consistent policy enforcement, and lowers OPEX by 30%—ensuring fast, secure transactions and unified network visibility.
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
 AIR-CT5520-K9 |  AIR-CT8510-SPK9-RF |  AIR-CT7510-300-K9 |  C1-AIR-CT3504-K9 |  AIR-CT8510-6K-K9 | |
|---|---|---|---|---|---|
| Product Type | Wireless Controller | Wireless Product | Wireless Access Point | Wireless LAN Controller | Wireless Access Point |
| Wireless Type | N/A | Access Point | Access Point | N/A | Access Point |
| Wi-Fi Standard | N/A | Wi-Fi 6 | Wi-Fi 5 | N/A | Wi-Fi 5 |
| Frequency Bands | N/A | 2.4GHz / 5GHz | 2.4GHz, 5GHz | N/A | 2.4GHz / 5GHz |
| Data Rate | N/A | 1Gbps | 300Mbps | N/A | Up to 1Gbps |
| Max Range | N/A | 100 meters | N/A | N/A | 100 meters (indoor) |
| Coverage Area | N/A | 2000 square feet | N/A | N/A | 2000 square feet |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | Gigabit Ethernet | RJ-45 |
| Antenna Type | N/A | Omnidirectional | Omnidirectional | N/A | Internal Omnidirectional |
| Antenna Gain | N/A | 5dBi | N/A | N/A | 5dBi |
| MIMO Technology | N/A | MU-MIMO | MU-MIMO | N/A | MU-MIMO |
| Beamforming | N/A | Yes | Yes | N/A | Yes |
| Mounting Options | Rack Mount | Ceiling Mount / Wall Mount | Ceiling Mount, Wall Mount | Rack Mount | Ceiling Mount / Wall Mount |
| Power Supply | AC Adapter | PoE | PoE | AC Adapter | PoE |
| Mesh Networking | N/A | No | No | N/A | No |
| Ethernet Port | 2x Gigabit | 1x Gigabit | 1x Gigabit | 2x Gigabit | 1x Gigabit |
| Max Number of Devices Supported | 6000 | 128 | N/A | 500 | 128 |
| Protocols Supported | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac | TCP/IP, SNMP, SSH | 802.11a/b/g/n/ac |
| Management Features | CLI, SNMP, Web GUI | Cloud Management / On-Premises / SNMP | On-Premises, SNMP | Centralized management, Web-based interface, CLI, SNMP | Cloud Management / On-Premises / SNMP |
| Security Features | WPA2, WPA3, 802.1X, VPN | WPA2 / WPA3 / 802.1X | WPA2, WPA3 | 802.1X, RADIUS, TACACS+ | WPA2 / WPA3 / 802.1X |
| Compliance | FCC, CE, RoHS | FCC / CE / RoHS | FCC, CE, RoHS | FCC, CE, RoHS | FCC / CE / RoHS |
| Processor | Multi-core 2.4GHz | Quad-Core 1.2GHz | N/A | N/A | N/A |
| Memory | 8GB | 1GB | N/A | N/A | N/A |
| Outdoor Use | No | No | No | No | No |
| Product Name | Cisco AIR-CT5520-K9 Wireless Controller | AIR-CT8510-SPK9-RF | AIR-CT7510-300-K9 | Cisco 3504 Wireless Controller | AIR-CT8510-6K-K9 |
| Height | 1U | 1.5 inches | N/A | N/A | 1.5 inches |
| Width | 17 inches | 7 inches | N/A | N/A | 9.5 inches |
| Depth | 16 inches | 7 inches | N/A | N/A | 8 inches |
| Weight | Approx. 22 lbs | 1.8 lbs | N/A | N/A | 2.5 lbs |
| Wi‑Fi Standard |
Reviews & Ratings
S
Saba Qureshi
4
Handled dense WLAN smoothly.
M
Marco Silva
5
Stable and scalable.
H
Helen Brooks
3
Good long term investment.
N
Noman Ashraf
4
Very satisfied.
Questions & Answers
What is the Cisco 5520 Wireless LAN Controller?
The Cisco 5520 Wireless LAN Controller (SKU: AIR-CT5520-K9) delivers scalable, secure wireless LAN management with up to 1.5 Gbps throughput and support for 1,500 access points. It includes a rack-mount kit and advanced RF, security, and management capabilities.
How many access points does the Cisco 5520 support?
The Cisco 5520 supports up to 1,500 Cisco access points per controller, enabling high-density campus and branch deployments with centralized configuration and seamless scalability for thousands of wireless clients.
What throughput performance does the Cisco 5520 deliver?
The controller provides up to 1.5 Gbps of bidirectional throughput, optimizing network performance for data-intensive applications, VoIP, and HD video streaming across medium to large enterprise environments.
Which software version does the Cisco 5520 run?
It runs Cisco AireOS 8.3 or later, offering advanced RF management, client services, segmentation, and policy enforcement. Upgrade paths ensure compatibility with existing Cisco controller deployments.