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The Cisco ONE 8540 Wireless LAN Controller delivers exceptional scalability and performance.
C1-AIR-CT8540-K9
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ONE 8540 WIRELESS LAN CONTROLLER WITH 0AP LICS
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Name:
C1-AIR-CT8540-K9
- Description:
- ONE 8540 WIRELESS LAN CONTROLLER WITH 0AP LICS
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 882658811326
- Condition:
- Warranty:
- 3
- Price:
$49,675.00
Quantity:
1
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C1-AIR-CT8540-K9 Overview
C1-AIR-CT8540-K9 is a high-performance wireless Access Point engineered for enterprise environments demanding robust connectivity and reliable high-speed data transfer. Operating on dual bands of 2.4GHz and 5GHz with support for the Wi‑Fi 6 standard, it delivers data rates up to 2.5Gbps while harnessing advanced technologies such as MU-MIMO and beamforming for enhanced network efficiency.
This device features an omnidirectional antenna with a 5dBi gain, ensuring consistent indoor coverage with flexible installation options including ceiling and wall mounts. Ideal for large offices, data centers, and high-density environments, it combines fast connectivity with comprehensive security protocols to support modern networking demands.
C1-AIR-CT8540-K9 price is $49,675.00. C1-AIR-CT8540-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C1-AIR-CT8540-K9 for additional pricing. Browse the full Cisco Wlan Controller series or explore all Cisco products.
C1-AIR-CT8540-K9 Specifications
- Depth
- 9 inches
- Weight
- 2 lbs
- Height
- 3 inches
- Width
- 9 inches
- Wireless Type
- Access Point
- Connector Type
- RJ-45
- Antenna Type
- Omnidirectional
- MIMO Technology
- MU-MIMO
- Beamforming
- Yes
- Power Supply
- PoE
- Mesh Networking
- Yes
- Ethernet Port
- 1x Gigabit
- Product Type
- Wireless Access Point
- Frequency Bands
- 2.4GHz / 5GHz
- Compliance
- FCC / CE / RoHS
- Antenna Gain
- 5dBi
- Mounting Options
- Ceiling Mount / Wall Mount
- Outdoor Use
- No
- Wi-Fi Standard
- Wi-Fi 6
- Data Rate
- 2.5Gbps
- Protocols Supported
- 802.11a/b/g/n/ac/ax
- Max Range
- 100 meters
- Security Features
- WPA2 / WPA3
- Coverage Area
- 2000 square feet
- Memory
- 2GB
- Max Number of Devices Supported
- 200
- Processor
- Quad-Core 1.2GHz
- Management Features
- Cloud Management / On-Premises
- Product Name
- C1-AIR-CT8540-K9 Wireless Access Point
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| C1-AIR-CT8540-K9 |  C1-AIR-CT7510-K9 |  AIR-CT5508-500-K9 |  AIR-CT7510-1K-K9 |  AIR-CT2504-5-K9 | |
|---|---|---|---|---|---|
| Product Type | Wireless Access Point | Wireless Access Point | Wireless Access Point | Wireless Access Point | Wireless LAN Controller |
| Wireless Type | Access Point | Access Point | Access Point | Access Point | N/A |
| Wi-Fi Standard | Wi-Fi 6 | Wi-Fi 5 | Wi-Fi 5 | Wi-Fi 5 | 802.11a/b/g/n/ac |
| Frequency Bands | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | N/A |
| Data Rate | 2.5Gbps | 1Gbps | 500Mbps | 1Gbps | N/A |
| Max Range | 100 meters | N/A | N/A | 100 meters | N/A |
| Coverage Area | 2000 square feet | N/A | N/A | 2000 square feet | N/A |
| Connector Type | RJ-45 | RJ-45 | N/A | RJ-45 | RJ-45 |
| Antenna Type | Omnidirectional | Omnidirectional | Omnidirectional | Omnidirectional | N/A |
| Antenna Gain | 5dBi | 5dBi | N/A | 5dBi | N/A |
| MIMO Technology | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO | N/A |
| Beamforming | Yes | Yes | Yes | Yes | N/A |
| Mounting Options | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | N/A |
| Power Supply | PoE | PoE | PoE | PoE | AC Adapter |
| Mesh Networking | Yes | No | No | No | N/A |
| Ethernet Port | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit |
| Max Number of Devices Supported | 200 | N/A | N/A | 1000 | 250 APs and 2000 Clients |
| Protocols Supported | 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 | Ethernet |
| Management Features | Cloud Management / On-Premises | Cloud Management / On-Premises / SNMP | Cloud Management / On-Premises | Cloud Management / SNMP | On-Premises, SNMP |
| Security Features | WPA2 / WPA3 | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 | WPA2 / WPA3 | WPA2, WPA3, 802.1X |
| Compliance | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC, CE, RoHS |
| Processor | Quad-Core 1.2GHz | N/A | N/A | Quad-Core 1.2GHz | N/A |
| Memory | 2GB | N/A | N/A | 2GB | N/A |
| Outdoor Use | No | No | Yes | No | No |
| Product Name | C1-AIR-CT8540-K9 Wireless Access Point | Cisco C1-AIR-CT7510-K9 | AIR-CT5508-500-K9 | AIR-CT7510-1K-K9 | AIR-CT2504-5-K9 |
| Height | 3 inches | N/A | N/A | N/A | N/A |
| Width | 9 inches | N/A | N/A | N/A | N/A |
| Depth | 9 inches | N/A | N/A | N/A | N/A |
| Weight | 2 lbs | N/A | N/A | N/A | N/A |
| Wi‑Fi Standard |
Reviews & Ratings
P
Patrick Lawson
4
Reliable enterprise platform supporting high AP density with ease.
Q
Quincy Holloway
5
Strong throughput and centralized management across large networks.
R
Robert Whitfield
4
Consistent uptime and stable wireless control for enterprise sites.
S
Samuel Mercer
5
Professional-grade wireless controller with smooth deployment.
T
Thomas Avery
5
Excellent reliability and scalability for growing WiFi infrastructures.
V
Vincent Caldwell
5
Handles large wireless environments efficiently and reliably.
Questions & Answers
What is the Cisco ONE 8540 Wireless LAN Controller (SKU C1-AIR-CT8540-K9)?
The Cisco ONE 8540 Wireless LAN Controller (SKU C1-AIR-CT8540-K9) is a high-performance, rack-mountable appliance that centrally manages large-scale Wi-Fi deployments, supporting up to 6,000 access points and 64,000 clients.
Does the C1-AIR-CT8540-K9 include any AP licenses?
No, the unit ships with zero access point licenses; you must purchase permanent or subscription AP licenses separately to activate each access point.
How do I add AP licenses to the Cisco 8540 controller?
Acquire the required AP license packs through Cisco Smart Software Manager or an authorized reseller, then apply them via the controller’s licensing GUI or CLI.
What maximum wireless throughput does the 8540 controller support?
The Cisco 8540 delivers up to 40 Gbps of aggregate wireless throughput under optimal network conditions.
What high availability options are available for the 8540 LAN controller?
The controller offers active/standby (N+1) and active/active (N+N) high availability with stateful failover and hitless roaming to ensure continuous service.
Is the Cisco 8540 controller rack-mountable?
Yes, the controller comes with a 1RU rack-mount kit that fits standard 19-inch server racks.
What power supply options are supported on the 8540 controller?
It supports dual hot-swappable AC power supplies (100–240 VAC) or an optional -48 VDC power module for redundant operation.
Which Wi-Fi standards does the 8540 controller support?
It manages access points running IEEE 802.11a/b/g/n/ac and the latest 802.11ax standards for maximum compatibility and performance.
What security features are integrated into the Cisco 8540 controller?
Built-in security includes Cisco CleanAir interference mitigation, rogue AP detection, client profiling, DPI-based firewalling, and advanced encryption support.
Can I centrally manage multiple 8540 controllers?
Yes, you can use Cisco DNA Center or Cisco Prime Infrastructure to orchestrate and monitor multiple 8540 controllers from a single pane of glass.
Which software release is required to run on the 8540 controller?
The controller runs Cisco AireOS software; for full feature support and security updates, deploy AireOS 8.3.140 or later.
What client capacity does the Cisco 8540 controller support?
The appliance scales to manage up to 64,000 client devices with consistent performance and quality of service.
What warranty and support options are available for the 8540 controller?
It ships with a 90-day limited hardware warranty; you can upgrade to Cisco Smart Net Total Care for enhanced replacement and 24×7 technical support.
What is the difference between permanent and subscription AP licenses?
Permanent licenses grant perpetual access point entitlement, while subscription licenses provide term-based access and include ongoing software updates.
What are the physical dimensions and weight of the 8540 controller?
The 1RU chassis measures 1.72″ H × 17.3″ W × 14.4″ D and weighs approximately 10.4 lb (4.7 kg).
How do I order replacement parts or modules for the Cisco 8540 controller?
Use the Cisco Part Locator tool or contact your Cisco sales representative with the SKU C1-AIR-CT8540-K9 to procure genuine replacement modules.