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Consistent wireless speeds and strong indoor coverage.
AIR-AP1840I-D-K9
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Cisco Aironet AP1840I Series access point - D domain
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AIR-AP1840I-D-K9
- Description:
- Cisco Aironet AP1840I Series access point - D domain
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Added to cart 28 times recently
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In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 614802223422
- Condition:
- Warranty:
- 3
- Price:
$1,467.00
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1
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AIR-AP1840I-D-K9 Overview
AIR-AP1840I-D-K9 is a high-performance wireless access point engineered specifically for indoor enterprise environments. Designed to deliver robust connectivity and rapid data transfer, this model operates on dual frequency bands—2.4GHz and 5GHz—and complies with the Wi-Fi 5 (802.11ac Wave 2) standard, providing data rates of up to 1Gbps. Key connectivity features such as MU-MIMO and beamforming work together to enhance overall network performance and streamline communication even in high-density situations.
Optimized for seamless deployment in large offices, academic institutions, and similar settings, AIR-AP1840I-D-K9 offers versatile mounting options including ceiling and wall installations. Its integrated omnidirectional antennas ensure consistent indoor coverage while the Power over Ethernet (PoE) capability simplifies the installation process by eliminating the need for additional power sources. This reliable wireless solution is designed to support numerous devices, making it an ideal choice for modern enterprises requiring secure, high-speed wireless networking.
AIR-AP1840I-D-K9 price is $1,467.00. AIR-AP1840I-D-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-AP1840I-D-K9 for additional pricing. Browse the full Cisco 1840 Access Points series or explore all Cisco products.
AIR-AP1840I-D-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
- N/A
- 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 / 802.1X
- Compliance
- FCC / CE / RoHS
- Processor
- N/A
- Memory
- N/A
- Outdoor Use
- No
- Product Name
- AIR-AP1840I-D-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-D-K9 |  AIR-AP1840I-K-K9 |  AIR-AP1840I-S-K9C |  AIR-AP1840I-A-K9 |  AIR-AP1840I-D-K9C | |
|---|---|---|---|---|---|
| Antenna Gain | N/A | N/A | N/A | N/A | 3dBi |
| Antenna Type | Omnidirectional | Internal Omnidirectional | Omnidirectional | Internal Omnidirectional | 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 | 1Gbps | 1Gbps | 1.3Gbps | 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 | On-Premises / SNMP | Cloud Management / On-Premises / SNMP | On-Premises / SNMP | Cisco IOS Software, 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 | N/A | 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-D-K9 | Cisco AIR-AP1840I-K-K9 | AIR-AP1840I-S-K9C | Cisco Aironet 1840 Series Access Point | AIR-AP1840I-D-K9C |
| Product Type | Wireless Access Point | Wireless Product | Wireless Access Point | 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 / 802.1X | WPA2 / WPA3 / 802.1X / VPN | WPA2 / 802.1X | WPA2, WPA3, 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 | 802.11a/b/g/n/ac | 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 |
Reviews & Ratings
R
Raymond Foster
5
Reliable enterprise AP with smooth integration.
S
Scott Harrison
5
Wave 2 performance handles office traffic well.
T
Trevor Collins
5
Stable connectivity and straightforward provisioning.
V
Victor Simmons
5
Dependable dual band WiFi with strong roaming.
W
Wesley Turner
4
Professional grade access point with predictable throughput.
Z
Zachary Morton
5
Solid indoor performance and easy centralized control.
Questions & Answers
What is the Cisco Aironet AP1840I-D-K9 access point?
The Cisco Aironet AP1840I-D-K9 is an indoor 802.11ac Wave 2 access point in Regulatory Domain D, delivering high-performance Wi-Fi 5 connectivity for enterprise and hospitality environments.
Which Wi-Fi standard does the AP1840I-D-K9 support?
The AP1840I-D-K9 supports the IEEE 802.11ac Wave 2 standard, offering data rates up to 2.5 Gbps with multi-user MIMO for concurrent client performance.
What frequency bands are available on the AP1840I-D-K9?
The access point operates simultaneously on 2.4 GHz and 5 GHz bands, enabling dual-band connectivity to maximize capacity and reduce interference.
Does the AP1840I-D-K9 support MU-MIMO?
Yes, the AP1840I-D-K9 features downlink MU-MIMO, allowing multiple clients to be served concurrently for increased network efficiency.
What are the key performance specifications of the AP1840I-D-K9?
The AP1840I-D-K9 delivers up to 2.5 Gbps aggregate throughput, supports four spatial streams, and includes integrated antennas and RF spectrum intelligence.
Does the AP1840I-D-K9 include Bluetooth Low Energy (BLE)?
Yes, it integrates Bluetooth Low Energy (BLE) for location services, asset tracking, and proximity-based engagement within Cisco DNA spaces.
What security features are built into the AP1840I-D-K9?
The AP1840I-D-K9 offers Cisco CleanAir® interference detection, rogue AP detection, MACsec encryption, and seamless integration with Cisco Identity Services Engine.
How is the AP1840I-D-K9 powered?
The AP1840I-D-K9 supports 802.3at Power over Ethernet (PoE+), eliminating the need for local power outlets and simplifying installation.
Which management platforms support the AP1840I-D-K9?
You can manage the AP1840I-D-K9 with Cisco DNA Center, Cisco Prime Infrastructure, and cloud-based Cisco Meraki Dashboard for centralized control.
What mounting options does the AP1840I-D-K9 offer?
The unit provides versatile ceiling and wall mounting kits, with a low-profile design ideal for offices, classrooms, and retail environments.
How many client devices can the AP1840I-D-K9 support?
The AP1840I-D-K9 can support up to 200 concurrent client associations, depending on traffic patterns and bandwidth requirements.
What is Regulatory Domain D for this access point?
Regulatory Domain D configures the AP for compliance with country-specific radio regulations, ensuring legal operation and optimal RF performance.
What Cisco licensing is required for full functionality?
The AP1840I-D-K9 requires a Cisco DNA Essentials or Advantage license for advanced analytics, policy enforcement, and automation features.
Is firmware upgrade straightforward on the AP1840I-D-K9?
Yes, firmware updates can be automated via Cisco DNA Center or manually uploaded through the web UI to ensure the latest security and feature enhancements.
What environments are best suited for the AP1840I-D-K9?
This access point is optimized for medium to large enterprises, schools, hotels, and healthcare facilities requiring high-density, secure Wi-Fi deployments.
How does the AP1840I-D-K9 improve wireless performance?
By combining 802.11ac Wave 2, MU-MIMO, integrated RF spectrum analysis, and Flexible Radio Assignment, the AP1840I-D-K9 delivers consistent high throughput and minimal interference.