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C9800-CL-K9
CATALYST 9800-CL WRLS CTLR FOR CLOUD
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C9800-CL-K9 is a Cisco wireless LAN controller engineered for managing large-scale wireless networks with enterprise-grade security and performance. While it does not directly transmit wireless signals or operate on specific frequency bands like access points, it is designed to integrate seamlessly with Cisco’s Wi-Fi 6 and Wi-Fi 6E access points operating in the 2.4GHz, 5GHz, and 6GHz bands, thereby ensuring high-speed data delivery and robust connectivity in modern network deployments.
C9800-CL-K9 features advanced connectivity with multiple Gigabit Ethernet ports, comprehensive management capabilities including cloud management and SNMP, and support for industry-standard security protocols such as WPA2, WPA3, and 802.1X. Deployed as a rack-mounted appliance in enterprise environments, it is ideally suited for large offices and data-centric networks where scalable performance, seamless integration with managed access points, and centralized control are critical to maintaining efficient and secure wireless operations.
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 C9800-CL-K9 |  AIR-CT8540-K9 |  AIR-CT8510-HA-K9 |  C1-AIR-CT7510-K9 |  AIR-CT7510-500-K9 | |
|---|---|---|---|---|---|
| Antenna Gain | N/A | N/A | 5dBi | 5dBi | 5dBi |
| Antenna Type | N/A | Omnidirectional | Internal Omnidirectional | Omnidirectional | Omnidirectional |
| Beamforming | N/A | Yes | Yes | Yes | Yes |
| Compliance | FCC, CE, RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS |
| Connector Type | Gigabit Ethernet | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Coverage Area | N/A | N/A | N/A | N/A | N/A |
| Data Rate | N/A | N/A | 1Gbps | 1Gbps | 500Mbps |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Ethernet Port | Multiple Gigabit Ports | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit |
| Frequency Bands | N/A | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz |
| Height | N/A | N/A | N/A | N/A | N/A |
| MIMO Technology | N/A | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO |
| Management Features | Cloud Management, On-Premises, SNMP, CLI | Cloud Management | Cloud Management / On-Premises | Cloud Management / On-Premises / SNMP | Cloud Management / On-Premises |
| Max Number of Devices Supported | N/A | N/A | 250 | N/A | N/A |
| Max Range | N/A | N/A | 120 meters | N/A | N/A |
| Memory | N/A | N/A | N/A | N/A | N/A |
| Mesh Networking | N/A | No | Yes | No | No |
| Mounting Options | Rack Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount |
| Outdoor Use | No | No | No | No | No |
| Power Supply | AC Adapter / PoE (depending on chassis) | PoE | PoE | PoE | PoE |
| Processor | N/A | N/A | N/A | N/A | N/A |
| Product Name | Cisco Catalyst 9800-CL-K9 Wireless LAN Controller | AIR-CT8540-K9 Wireless Access Point | AIR-CT8510-HA-K9 Wireless Access Point | Cisco C1-AIR-CT7510-K9 | AIR-CT7510-500-K9 |
| Product Type | Wireless LAN Controller | Wireless Product | Wireless Access Point | Wireless Access Point | Wireless Access Point |
| Protocols Supported | 802.11a/b/g/n/ac/ax (via managed access points), Ethernet | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac |
| Security Features | WPA2, WPA3, 802.1X, VPN | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | N/A | Wi-Fi 6 | Wi-Fi 5 | Wi-Fi 5 | Wi-Fi 5 |
| Width | N/A | N/A | N/A | N/A | N/A |
| Wireless Type | Controller | Access Point | Access Point | Access Point | Access Point |
| Wi‑Fi Standard |
Catalyst 9800-CL performs reliably in our virtualized environment. Cloud deployment was smooth and wireless performance remains consistent across distributed locations.
Excellent cloud-based wireless controller with strong scalability and centralized visibility.
We use 9800-CL in private cloud. Stability and performance have been outstanding.
Flexible deployment model with dependable enterprise-grade wireless control.
Strong security features and consistent uptime in virtual infrastructure.
Seamless integration with our data center environment and easy scaling.
Professional cloud WLAN controller delivering reliable high-performance management.
The Catalyst 9800-CL Wireless Controller for Cloud is Cisco’s cloud-native, software-based WLAN controller that delivers enterprise-grade Wi-Fi management on public and private clouds.
Catalyst 9800-CL-K9 runs on AWS, Microsoft Azure, and Google Cloud Platform using standard VM instances for flexible deployment.
Licensing is managed through Cisco Smart Licensing with subscription tiers (Essentials and Advantage), providing real-time compliance and flexible consumption.
Each Catalyst 9800-CL-K9 instance supports up to 6,000 access points and 64,000 clients, with linear scalability via multi-VM clustering.