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High availability setup worked seamlessly.
AIR-CT2504-HA-K9
2504 Wireless Controller for High Availability
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AIR-CT2504-HA-K9
2504 Wireless Controller for High Availability
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AIR-CT2504-HA-K9 is a high-performance enterprise access point designed to deliver reliable, dual-band wireless connectivity in demanding environments. Engineered to support both 2.4GHz and 5GHz frequency bands and compliant with the Wi-Fi 5 standard, it offers data rates up to 1Gbps while leveraging advanced MU-MIMO and beamforming technologies to ensure efficient connectivity for high-density user deployments.
This access point is optimized for indoor settings such as large offices and data centers, with flexible installation options including ceiling and wall mounts. It features integrated omnidirectional antennas with a gain of 5dBi, utilizes PoE for power efficiency, and supports essential security protocols like WPA2 and WPA3, all while meeting key regulatory standards such as FCC, CE, and RoHS.
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To get the detailed certification, please go to the Compliance Center.
 AIR-CT2504-HA-K9 |  AIRCT2504-702I-I5 |  AIRCT2504-1602I-E5 |  AIRCT2504-702I-E5 | |
|---|---|---|---|---|
| Product Type | Wireless Product | Wireless Product | Wireless Product | Wireless Access Point |
| Wireless Type | Access Point | Access Point | Access Point | Access Point |
| Wi-Fi Standard | Wi-Fi 5 | Wi-Fi 6 | Wi-Fi 6 | Wi-Fi 6 |
| Frequency Bands | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz |
| Data Rate | 1Gbps | 2.5Gbps | 2.5Gbps | 2.5Gbps |
| Max Range | N/A | 200 meters | N/A | 100 meters |
| Coverage Area | N/A | 1500 square feet | N/A | 2000 square feet |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Antenna Type | Omnidirectional | Omnidirectional | Omnidirectional | Omnidirectional |
| Antenna Gain | 5dBi | 5dBi | 5dBi | 5dBi |
| MIMO Technology | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO |
| Beamforming | Yes | Yes | Yes | Yes |
| Mounting Options | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount |
| Power Supply | PoE | PoE | PoE | PoE |
| Mesh Networking | No | No | No | No |
| Ethernet Port | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit |
| Max Number of Devices Supported | N/A | 128 | N/A | 250 |
| Protocols Supported | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax |
| Management Features | Cloud Management | Cloud Management / SNMP | Cloud Management | Cloud Management / SNMP |
| Security Features | WPA2 / WPA3 | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA3 / WPA2 / 802.1X |
| Compliance | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS |
| Processor | N/A | Quad-Core 1.4GHz | N/A | N/A |
| Memory | N/A | 2GB | N/A | N/A |
| Outdoor Use | No | No | No | No |
| Product Name | AIR-CT2504-HA-K9 | AIRCT2504-702I-I5 High Performance Access Point | AIRCT2504-1602I-E5 Access Point | AIRCT2504-702I-E5 |
| Height | N/A | 8 inches | N/A | N/A |
| Width | N/A | 12 inches | N/A | N/A |
| Depth | N/A | 2 inches | N/A | N/A |
| Weight | N/A | 3 lbs | N/A | N/A |
| Wi‑Fi Standard |
High availability setup worked seamlessly.
Good redundancy for critical WLANs.
Stable failover behavior.
Peace of mind for wireless uptime.
Dependable HA controller.
The Cisco AIR-CT2504-HA-K9 is a 2504 series enterprise-grade wireless LAN controller offering high availability for seamless network uptime and centralized AP management.
This controller supports up to 50 access points and 1,000 client devices in high-availability mode for medium-sized deployments.
High availability on the 2504 controller provides Active/Standby redundancy with stateful failover, ensuring continuous wireless service during a controller outage.
Failover is configured via the web GUI or CLI by pairing two licensed controllers, enabling automatic role assignment and real-time session synchronization.