United States$5,000,000+
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Harold Bennett
5
Strong indoor coverage and reliable throughput. Ideal for enterprise WiFi upgrades.
AIR-AP1840I-E-K9
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Cisco Aironet AP1840I Series access point - E domain
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AIR-AP1840I-E-K9
- Description:
- Cisco Aironet AP1840I Series access point - E domain
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- Cisco
- GTIN:
- 889728160551
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- Warranty:
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- Price:
$1,467.00
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AIR-AP1840I-E-K9 Overview
AIR-AP1840I-E-K9 is a high-performance indoor wireless access point designed for enterprise environments that demand reliable, fast, and secure connectivity. This device operates in dual-band mode (2.4GHz and 5GHz) and adheres to Wi-Fi 5 (802.11ac Wave 2) standards, offering a data rate of up to 1Gbps while leveraging advanced connectivity features such as MU-MIMO and beamforming to optimize network efficiency.
Engineered for seamless installation in large offices, educational institutions, and similar high-density indoor settings, the AIR-AP1840I-E-K9 supports versatile mounting options including ceiling and wall mounts. With integrated internal omnidirectional antennas, the device simplifies deployment, and its PoE power supply further enhances installation flexibility, making it an ideal solution for modern enterprise wireless networks.
AIR-AP1840I-E-K9 price is $1,467.00. AIR-AP1840I-E-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-AP1840I-E-K9 for additional pricing. Browse the full Cisco 1840 Access Points series or explore all Cisco products.
AIR-AP1840I-E-K9 Specifications
- Product Type
- Wireless Access Point
- Wireless Type
- Access Point
- Wi-Fi Standard
- Wi-Fi 5
- Frequency Bands
- 2.4GHz / 5GHz
- Data Rate
- 1Gbps
- Max Range
- N/A
- Coverage Area
- N/A
- Connector Type
- RJ-45
- Antenna Type
- Omnidirectional
- Antenna Gain
- N/A
- MIMO Technology
- MU-MIMO
- Beamforming
- Yes
- Mounting Options
- Ceiling Mount / Wall Mount
- Power Supply
- PoE
- Mesh Networking
- No
- Ethernet Port
- 1x Gigabit
- Max Number of Devices Supported
- N/A
- Protocols Supported
- 802.11a/b/g/n/ac
- Management Features
- On-Premises / SNMP
- Security Features
- WPA2 / WPA3 / 802.1X
- Compliance
- FCC / CE / RoHS
- Processor
- N/A
- Memory
- N/A
- Outdoor Use
- No
- Product Name
- AIR-AP1840I-E-K9
- Height
- N/A
- Width
- N/A
- Depth
- N/A
- Weight
- N/A
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| AIR-AP1840I-E-K9 |  AIR-AP1840I-H-K9C |  AIR-AP1840I-G-K9C |  AIR-AP1840I-S-K9C |  AIR-AP1840I-H-K9 | |
|---|---|---|---|---|---|
| Antenna Gain | N/A | N/A | N/A | N/A | N/A |
| Antenna Type | Omnidirectional | Internal Omnidirectional | Omnidirectional | Omnidirectional | Internal Omni-directional |
| 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 | 1Gbps | Up to 1.3Gbps | 1.3Gbps | 1.3Gbps | Up to 1.3Gbps |
| 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 | On-Premises / SNMP | On‑Premises / SNMP | On-Premises / SNMP | On-Premises / SNMP | Cisco Mobility Express |
| 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 | N/A | No | No |
| Mounting Options | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling 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-E-K9 | Cisco Aironet 1840 Indoor Access Point | Cisco AIR-AP1840I-G-K9C | AIR-AP1840I-S-K9C | AIR-AP1840I-H-K9 |
| Product Type | Wireless Access Point | 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 |
| Security Features | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / 802.1X | WPA2 / 802.1X | 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 |
| 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 |
Reviews & Ratings
I
Isaac Donovan
5
Stable performance with seamless roaming between access points.
J
James Holloway
4
Easy deployment and solid integration into our Cisco WLAN.
K
Kenneth Marshall
4
Wave 2 speeds handle office traffic efficiently.
L
Leonard Bishop
5
Consistent connectivity and minimal downtime across departments.
M
Martin Fletcher
4
Enterprise grade reliability with centralized management simplicity.
N
Norman Reed
4
Dependable indoor AP delivering strong dual band performance.
Questions & Answers
What is the Cisco Aironet AP1840I-E-K9 access point?
The Cisco Aironet AP1840I-E-K9 is a dual-radio Wi-Fi 6 (802.11ax) indoor access point optimized for high-density enterprise deployments in the E regulatory domain.
Which Wi-Fi standards does the AP1840I-E-K9 support?
The AP1840I-E-K9 supports IEEE 802.11a/b/g/n/ac Wave 2 and AX (Wi-Fi 6) standards on both 2.4 GHz and 5 GHz bands.
What maximum data rates can I expect from the AP1840I-E-K9?
The AP1840I-E-K9 delivers up to 1.2 Gbps on 2.4 GHz and 2.4 Gbps on 5 GHz, for a combined theoretical throughput of 3.6 Gbps.
How many spatial streams and MU-MIMO does it support?
It supports 4×4:4 MU-MIMO with up to four spatial streams per radio, enabling simultaneous high-speed connections for multiple clients.
What power options are available for this access point?
The AP1840I-E-K9 is powered via 802.3at PoE+ or optional Cisco Universal Power Supply, simplifying installation without dedicated AC outlets.
Does the AP1840I-E-K9 include integrated antennas?
Yes, it features four internal omnidirectional antennas per radio, providing optimized coverage for open office and classroom environments.
What security features are built into this access point?
It offers WPA3, 802.1X authentication, Cisco TrustSec, rogue AP detection, and Secure Boot for comprehensive wireless security.
Which management platforms are supported?
You can manage the AP1840I-E-K9 via Cisco DNA Center, Cisco Prime Infrastructure, or on-board Mobility Express for flexible deployment.
What RF management capabilities does the AP1840I-E-K9 offer?
It includes Cisco CleanAir technology, Flexible Radio Assignment, and Dynamic Channel Assignment to optimize spectrum usage and minimize interference.
How many client devices can it handle simultaneously?
The AP1840I-E-K9 supports up to 400 associated clients, making it ideal for classrooms, retail, and conference environments.
What are the environmental operating conditions?
Operating temperature ranges from 0 °C to 40 °C, with humidity between 10% and 95% non-condensing, compliant with EN 301 893 and EN 300 328.
What does the “E” regulatory domain signify?
The “E” domain indicates compliance with European Union radio regulations and frequency ranges approved for indoor use.
What warranty and support options are available?
Cisco offers a limited lifetime hardware warranty with next-business-day advance replacement and optional Cisco SMARTnet technical support.
How do I update the firmware on the AP1840I-E-K9?
Firmware updates are managed through Cisco DNA Center, Prime Infrastructure, or the AP’s web interface, ensuring secure OTA upgrades.
What mounting options are supported?
It supports ceiling tile, surface-mount, and wall-mount installations with included brackets and T-bar clips for flexible deployment.
Can the AP1840I-E-K9 integrate with Cisco Catalyst networks?
Yes, it seamlessly integrates with Cisco Catalyst switches and routers for unified policy enforcement and end-to-end network visibility.