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AIR-AP1840I-I-K9
Cisco Aironet AP1840I Series access point - I domain
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AIR-AP1840I-I-K9 is a high-performance indoor wireless access point engineered for enterprise environments demanding reliable, high-density connectivity. Designed to support dual-band operations on 2.4GHz and 5GHz frequencies and compliant with the Wi-Fi 5 (802.11ac Wave 2) standard, this access point delivers data rates of up to 1.3Gbps to ensure smooth and uninterrupted network communication.
Featuring advanced connectivity technologies such as MU-MIMO and beamforming, the AIR-AP1840I-I-K9 optimizes signal quality and data stream management to reduce interference and enhance overall network efficiency. With flexible installation options—including ceiling and wall mounting—and powered by PoE via an integrated RJ-45 port, it is perfectly suited for large offices, academic institutions, and other high-traffic indoor settings.
AIR-AP1840I-I-K9 price is $1,467.00. AIR-AP1840I-I-K9 is in stock and available for next-day dispatch. (terms applied)
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| AIR-AP1840I-I-K9 |  AIR-AP1840I-Z-K9C |  AIR-AP1840I-T-K9C |  AIR-AP1840I-G-K9 |  AIR-AP1840I-D-K9C | |
|---|---|---|---|---|---|
| Antenna Gain | N/A | N/A | N/A | N/A | 3dBi |
| Antenna Type | Internal Omnidirectional | Omnidirectional | Omnidirectional | Omnidirectional (Internal) | Omnidirectional |
| Beamforming | Yes | Yes | Yes | Yes | Yes |
| Compliance | FCC, CE, RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Coverage Area | N/A | N/A | N/A | N/A | N/A |
| Data Rate | Up to 1.3Gbps | 1.3Gbps | 1Gbps | Up to 1.3Gbps | 1Gbps |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Ethernet Port | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit |
| Frequency Bands | 2.4GHz / 5GHz | 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 | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO |
| Management Features | Cloud Management, On-Premises, SNMP | On-Premises (Controller-based) | On-Premises | On-Premises / SNMP | On-Premises / SNMP |
| Max Number of Devices Supported | N/A | N/A | N/A | N/A | N/A |
| Max Range | N/A | N/A | N/A | N/A | N/A |
| Memory | N/A | N/A | N/A | N/A | N/A |
| Mesh Networking | No | No | No | No | No |
| Mounting Options | Ceiling Mount, Wall 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 | PoE | PoE | PoE | PoE | PoE |
| Processor | N/A | N/A | N/A | N/A | N/A |
| Product Name | AIR-AP1840I-I-K9 | AIR-AP1840I-Z-K9C | Cisco Aironet 1840 Indoor Access Point | Cisco Aironet 1840I Wireless Access Point | AIR-AP1840I-D-K9C |
| Product Type | Wireless Product | Wireless Access Point | Wireless Product | Wireless Access Point | Wireless Access Point |
| Protocols Supported | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac / Ethernet |
| Security Features | WPA2, WPA3, 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 | WPA2 / WPA3 | WPA2 / WPA3 / 802.1X |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | Wi-Fi 5 | Wi-Fi 5 | Wi-Fi 5 | Wi-Fi 5 (802.11ac Wave 2) | 802.11a/b/g/n/ac |
| Width | N/A | N/A | N/A | N/A | N/A |
| Wireless Type | Access Point | Access Point | Access Point | Access Point | Access Point |
| Wi‑Fi Standard |
Cisco Aironet AP1840I delivers excellent dual band coverage. Throughput remains stable even during peak office hours.
Reliable enterprise access point with strong performance. Seamless integration into our existing Cisco wireless infrastructure.
Wave 2 speeds are impressive. Provides consistent connectivity across multiple departments.
Easy deployment and dependable uptime. Ideal for mid sized corporate environments.
Strong wireless stability and clean indoor design. Users experience smooth roaming.
Solid performance for high density office spaces. Centralized management works flawlessly.
Predictable throughput and enterprise grade reliability. A dependable WiFi upgrade for our network.
The Cisco Aironet AP1840I-I-K9 is a high-performance, dual-radio 802.11ac Wave 2 indoor access point designed for medium- to large-scale enterprise wireless deployments.
The AP1840I supports IEEE 802.11a/b/g/n/ac Wave 2 standards on both 2.4 GHz and 5 GHz radios for backward compatibility and high-speed connectivity.
The AP1840I delivers up to 600 Mbps on 2.4 GHz and up to 1.733 Gbps on 5 GHz, enabling aggregate throughput of over 2.3 Gbps.
The AP1840I supports up to 200 associated client devices per access point, optimizing performance in high-density environments.
Yes, the AP1840I features 4x4 MU-MIMO on the 5 GHz radio, allowing simultaneous high-speed data streams to multiple clients.
Indoors, the AP1840I reliably covers up to 30 meters (100 feet) depending on building materials and RF conditions.
The AP1840I supports ceiling tile, wall-mount, and T-bar mounting hardware for flexible installation in offices, classrooms, and public venues.
The AP1840I can be powered via IEEE 802.3at PoE+ or IEEE 802.3af PoE (with reduced performance), as well as with an optional AC power adapter.
You can adopt the AP1840I into Cisco Prime Infrastructure to configure SSIDs, RF profiles, firmware updates, and performance monitoring through a centralized dashboard.
The AP1840I includes WPA3 encryption, 802.1X authentication, MAC-address filtering, rogue AP detection, and Cisco CleanAir spectrum analysis for robust wireless security.
The “I” domain signifies international regulatory approval for global deployment, ensuring compliance with regional RF regulations outside North America.
Yes, the AP1840I integrates with Cisco DNA Center for intent-based provisioning, network assurance, automated troubleshooting, and analytics.
The AP1840I operates reliably in temperatures from 0 °C to 40 °C (32 °F to 104 °F) for standard indoor deployments.
Yes, the AP1840I maintains backward compatibility with 802.11a/b/g/n clients, ensuring support for legacy devices.
Each radio on the AP1840I supports 4x4 spatial streams, delivering up to four simultaneous data paths for optimized MIMO performance.
The AP1840I is covered by Cisco’s limited lifetime hardware warranty with next-business-day replacement and offers optional Smart Net Total Care support services.
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