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AIR-AP1840I-G-K9
Cisco Aironet AP1840I Series access point - G domain
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AIR-AP1840I-G-K9 is a Cisco Aironet 1840 series wireless access point designed to deliver high-performance connectivity in indoor environments. It operates on dual-band frequencies—2.4GHz and 5GHz—and supports the Wi-Fi 5 (802.11ac Wave 2) standard, providing reliable and fast data rates of up to 1.3Gbps while leveraging advanced features such as MU-MIMO and beamforming to optimize network performance for dense device deployments.
Engineered for seamless installation with versatile mounting options including ceiling and wall mounts, the AIR-AP1840I-G-K9 incorporates internal omnidirectional antennas for consistent indoor coverage. It comes equipped with a Gigabit Ethernet port and PoE support for simplified deployment, and it upholds enterprise-level security with WPA2/WPA3 compliance, making it an ideal solution for large offices, educational institutions, and corporate campuses.
AIR-AP1840I-G-K9 price is $1,467.00. AIR-AP1840I-G-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-AP1840I-G-K9 for additional pricing. Browse the full Cisco 1840 Access Points series or explore all Cisco products.
To get the detailed certification, please go to the Compliance Center.
| AIR-AP1840I-G-K9 |  AIR-AP1840I-A-K9 |  AIR-AP1840I-N-K9 |  AIR-AP1840I-Z-K9 |  AIR-AP1840I-T-K9C | |
|---|---|---|---|---|---|
| Antenna Gain | N/A | N/A | N/A | N/A | N/A |
| Antenna Type | Omnidirectional (Internal) | Internal Omnidirectional | Internal Omnidirectional | Internal Omni-directional | 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 | Up to 1.3Gbps | 300Mbps | 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 | SU-MIMO | MU-MIMO | MU-MIMO |
| Management Features | On-Premises / SNMP | Cisco IOS Software, SNMP | On-Premises / SNMP | On-Premises | On-Premises |
| 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 | Cisco Aironet 1840I Wireless Access Point | Cisco Aironet 1840 Series Access Point | AIR-AP1840I-N-K9 | Cisco Aironet 1840I Series Access Point | Cisco Aironet 1840 Indoor Access Point |
| Product Type | Wireless Access Point | Wireless Access Point | Wireless Access Point | Wireless Product | Wireless Product |
| Protocols Supported | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac | 802.11a/b/g/n / Ethernet | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac |
| Security Features | WPA2 / WPA3 | WPA2, WPA3, 802.1X | WPA2 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | Wi-Fi 5 (802.11ac Wave 2) | 802.11a/b/g/n/ac | 802.11n | Wi-Fi 5 | Wi-Fi 5 |
| 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 |
Consistent wireless speeds and strong indoor coverage. Perfect for structured office deployments.
Wave 2 performance handles business traffic efficiently. Users report seamless connectivity.
Stable enterprise WiFi with predictable throughput and excellent roaming support.
Easy installation and reliable controller based management.
Strong dual band coverage and minimal maintenance requirements.
Professional grade AP providing dependable uptime across departments.
A reliable wireless upgrade that improved overall network stability.
The Cisco Aironet AP1840I-G-K9 is an indoor, enterprise-class 802.11ac Wave 2 access point optimized for the G regulatory domain, delivering high-performance wireless connectivity in office and campus environments.
The AP1840I supports IEEE 802.11a/b/g/n/ac Wave 2 standards, providing dual-band operation (2.4 GHz and 5 GHz) with 2x2:2 MU-MIMO for improved multi-client performance.
The AP1840I delivers up to 400 Mbps on the 2.4 GHz band and up to 867 Mbps on the 5 GHz band, for a combined maximum aggregate throughput of 1.267 Gbps.
The AP1840I can support up to 200 active client associations per radio under typical enterprise workloads, ensuring consistent performance for high-density environments.
The AP1840I supports IEEE 802.3af/at Power over Ethernet as well as an optional 48 VDC external power supply, simplifying installation across diverse infrastructures.
Yes, the AP1840I features integrated downtilt omnidirectional antennas for both 2.4 GHz and 5 GHz bands, enabling sleek ceiling or wall mounting without external antenna requirements.
The AP1840I includes Cisco CleanAir, WPA3, 802.1X with EAP, MACsec encryption, rogue detection, and advanced policy enforcement for robust wireless security.
Yes, the AP1840I is fully supported by Cisco DNA Center, Cisco Catalyst Wireless Controllers, and Cisco Mobility Express, offering flexible management and automation options.
The AP1840I features integrated Bluetooth Low Energy (BLE) radios and can host Cisco Catalyst IoT controllers, enabling seamless connectivity for IoT sensors and assets.
The AP1840I supports T-bar ceiling, standard ceiling tile, and wall mounting using the included bracket and hardware kit for versatile deployment.
The AP1840I provides two 10/100/1000 Mbps Ethernet ports (one PoE in, one data out), a console port, and a status LED for simplified cabling and diagnostics.
Mount the AP1840I using the provided bracket, connect PoE or DC power, link the Ethernet port to your network, and adopt it via your Cisco controller or Mobility Express GUI.
Firmware updates can be pushed centrally through Cisco DNA Center, Cisco Prime Infrastructure, or Catalyst Wireless Controllers, or uploaded manually via the console CLI.
The G domain indicates compliance with European Union and related country regulations, ensuring the AP1840I operates within approved frequency channels and power limits.
The AP1840I includes a one-year limited hardware warranty; Cisco Smart Net Total Care support contracts are available for extended warranty, 24/7 tech support, and spares replacement.
Order the Cisco Aironet AP1840I Series access point for the G domain using SKU AIR-AP1840I-G-K9 through authorized Cisco partners or distributors.
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