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Reliable Cisco Aironet AP1840I with strong indoor coverage.
AIR-AP1840I-A-K9
Cisco Aironet AP1840I Series access point - A domain
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Name:
AIR-AP1840I-A-K9
- Description:
- Cisco Aironet AP1840I Series access point - A domain
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 889728160551
- Condition:
- Warranty:
- 3
- List Price:
$1,396.00
- Price:
$982.0029.7% off
Quantity:
1
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AIR-AP1840I-A-K9 Overview
AIR-AP1840I-A-K9 is a high-performance wireless access point engineered for modern enterprise environments. Designed for dual-band operation, it utilizes both 2.4GHz and 5GHz frequency bands and supports the 802.11a/b/g/n/ac wireless standards to deliver reliable and robust connectivity.
Capable of reaching data rates up to 1.3Gbps, this access point incorporates advanced connectivity features including MU-MIMO and beamforming to enhance overall wireless performance. With internal omnidirectional antennas and versatile mounting options such as ceiling or wall mounts, it is ideally suited for large offices, educational institutions, and high-density workspaces where dependable, high-speed connectivity is essential.
AIR-AP1840I-A-K9 price is $982.00, a 29.7% saving from the Cisco list price of $1,396.00. AIR-AP1840I-A-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-AP1840I-A-K9 for additional pricing. Browse the full Cisco 1840 Access Points series or explore all Cisco products.
AIR-AP1840I-A-K9 Specifications
- Product Type
- Wireless Access Point
- Wireless Type
- Access Point
- Wi-Fi Standard
- 802.11a/b/g/n/ac
- Frequency Bands
- 2.4GHz, 5GHz
- Data Rate
- Up to 1.3Gbps
- Max Range
- N/A
- Coverage Area
- N/A
- Connector Type
- RJ-45
- Antenna Type
- Internal 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
- Cisco IOS Software, SNMP
- Security Features
- WPA2, WPA3, 802.1X
- Compliance
- FCC, CE, RoHS
- Processor
- N/A
- Memory
- N/A
- Outdoor Use
- No
- Product Name
- Cisco Aironet 1840 Series Access Point
- 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-A-K9 |  AIR-AP1840I-F-K9C |  AIR-AP1840I-F-K9 |  AIR-AP1840I-G-K9 |  AIR-AP1840I-H-K9C | |
|---|---|---|---|---|---|
| Antenna Gain | N/A | N/A | N/A | N/A | N/A |
| Antenna Type | Internal Omnidirectional | Omnidirectional | Omnidirectional | Omnidirectional (Internal) | 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 | Up to 1.3Gbps | 1.3Gbps | Up to 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 | Cisco IOS Software, SNMP | On-Premises / SNMP | On-Premises / SNMP | 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 | Cisco Aironet 1840 Series Access Point | AIR-AP1840I-F-K9C | AIR-AP1840I-F-K9 | Cisco Aironet 1840I Wireless Access Point | Cisco Aironet 1840 Indoor Access Point |
| Product Type | Wireless Access Point | Wireless Product | 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 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 | WPA2 / WPA3 / 802.1X |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | 802.11a/b/g/n/ac | Wi-Fi 5 | Wi-Fi 5 | Wi-Fi 5 (802.11ac Wave 2) | 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 |
Reviews & Ratings
D
Daniel Brooks
5
Wave 2 performance delivers stable enterprise WiFi.
E
Edward Harrison
4
Seamless controller integration and dependable throughput.
F
Franklin Turner
5
Consistent dual band speeds for office deployment.
G
Gregory Collins
5
Professional access point with predictable reliability.
H
Harold Lawson
5
Strong roaming capabilities and stable connectivity.
I
Isaac Fletcher
5
Ideal WiFi upgrade for structured enterprise environments.
Questions & Answers
What is the Cisco Aironet AP1840I-A-K9 access point?
The Cisco Aironet AP1840I-A-K9 is a Wi-Fi 6 indoor access point delivering high-performance 802.11ax connectivity for enterprise environments.
Which Wi-Fi standards does the AP1840I support?
The AP1840I supports IEEE 802.11ax (Wi-Fi 6) on 2.4 GHz and 5 GHz bands, and is backward compatible with 802.11a/b/g/n/ac clients.
What maximum throughput can I expect from the AP1840I?
The AP1840I provides up to 1.2 Gbps per radio (2.4 GHz and 5 GHz), delivering a combined aggregate throughput of up to 2.4 Gbps.
How many spatial streams and MU-MIMO streams are supported?
It supports 2x2:2 MU-MIMO and OFDMA with up to two spatial streams per radio for simultaneous multi-client efficiency.
What power options are available for the AP1840I?
The AP1840I is powered via 802.3at PoE+ or Cisco Universal PoE, requiring a single Ethernet cable with no external power supply.
Which Cisco controllers are compatible with the AP1840I?
The AP1840I integrates with Cisco Catalyst 9800 Series controllers, Cisco Wireless LAN Controller (WLC) 2500–9800, and Cisco DNA Center for unified management.
What security features are built into the AP1840I?
It offers WPA3, Enhanced Open, 802.1X/EAP authentication, integrated TrustSec, and Cisco’s CleanAir Spectrum Intelligence for threat detection.
How many clients can the AP1840I support simultaneously?
The AP1840I can serve up to 200 concurrent clients per access point, depending on traffic patterns and network configuration.
What deployment options are available for the AP1840I?
You can mount the AP1840I on ceilings or walls using standard T-bar mounts or surface mounts for flexible indoor installations.
Does the AP1840I support seamless roaming and load balancing?
Yes, it supports 802.11k/r/v for fast roaming, client load balancing, and Cisco’s client roaming enhancements for uninterrupted mobility.
What environmental conditions does the AP1840I require?
It operates in 0 °C to 40 °C (32 °F to 104 °F) with 10–90 % non-condensing humidity, suitable for standard indoor office environments.
What are the physical dimensions and weight of the AP1840I?
The AP measures 203 x 203 x 38 mm (8 x 8 x 1.5 in) and weighs approximately 0.9 kg (2 lb), fitting unobtrusively into office ceilings.
Which licensing model is required for the AP1840I?
The AP1840I uses Cisco DNA licensing: Essentials or Advantage, chosen based on feature requirements such as analytics and automation.
How do I configure domain settings on the AP1840I?
Domain configuration is handled via your Cisco controller or DNA Center; simply assign the AP to your desired SSID domain and policy profile.
What warranty and support options are available?
The AP1840I includes a limited lifetime warranty and offers optional Cisco SMARTnet service for 24/7 support, next-day hardware replacement, and OS updates.
What use cases are ideal for the AP1840I?
The AP1840I is optimized for high-density enterprise deployments such as offices, classrooms, hospitality, and retail environments.