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Cisco Aironet AP1840I provides excellent indoor coverage and reliable performance.
AIR-AP1840I-T-K9
Cisco Aironet AP1840I Series access point - T domain
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Name:
AIR-AP1840I-T-K9
- Description:
- Cisco Aironet AP1840I Series access point - T domain
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 996279666118
- Condition:
- Warranty:
- 3
- Price:
$1,467.00
Quantity:
1
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AIR-AP1840I-T-K9 Overview
AIR-AP1840I-T-K9 is a high-performance wireless access point engineered for modern indoor enterprise environments. Built to support dual-band operation on 2.4GHz and 5GHz frequencies, this device adheres to the Wi-Fi 5 standard and delivers an aggregated data rate of up to 1.3Gbps for reliable, high-speed connectivity.
Designed with advanced connectivity features including MU-MIMO and beamforming, the access point leverages omnidirectional antennas with a 3dBi gain to ensure consistent performance in high-density areas. Offering flexible installation options such as ceiling and wall mounting along with a PoE power supply, the AIR-AP1840I-T-K9 is ideally suited for modern offices, educational institutions, and other enterprise use cases.
AIR-AP1840I-T-K9 price is $1,467.00. AIR-AP1840I-T-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-AP1840I-T-K9 for additional pricing. Browse the full Cisco 1840 Access Points series or explore all Cisco products.
AIR-AP1840I-T-K9 Specifications
- Product Type
- Wireless Product
- Wireless Type
- Access Point
- Wi-Fi Standard
- Wi-Fi 5
- Frequency Bands
- 2.4GHz / 5GHz
- Data Rate
- 1.3Gbps
- Max Range
- N/A
- Coverage Area
- N/A
- Connector Type
- RJ-45
- Antenna Type
- Omnidirectional
- Antenna Gain
- 3dBi
- 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
- Compliance
- FCC / CE / RoHS
- Processor
- N/A
- Memory
- N/A
- Outdoor Use
- No
- Product Name
- AIR-AP1840I-T-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-T-K9 |  AIR-AP1840I-K-K9 |  AIR-AP1840I-I-K9C |  AIR-AP1840I-E-K9 |  AIR-AP1840I-Z-K9C | |
|---|---|---|---|---|---|
| Antenna Gain | 3dBi | N/A | N/A | N/A | N/A |
| Antenna Type | Omnidirectional | Internal Omnidirectional | Internal Omnidirectional | 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 | 1.3Gbps | 1Gbps | Up to 1.3Gbps | 1Gbps | 1.3Gbps |
| Depth | N/A | N/A | 9.44 inches | 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 | 1.73 inches | 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 | On-Premises / SNMP | On-Premises (Controller-based) |
| 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-T-K9 | Cisco AIR-AP1840I-K-K9 | AIR-AP1840I-I-K9C | AIR-AP1840I-E-K9 | AIR-AP1840I-Z-K9C |
| Product Type | Wireless Product | 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 |
| Security Features | WPA2 / WPA3 | WPA2 / WPA3 / 802.1X / VPN | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X |
| Weight | N/A | N/A | 2.2 lbs | N/A | N/A |
| Wi-Fi Standard | Wi-Fi 5 | Wi-Fi 5 | Wi-Fi 5 | Wi-Fi 5 | Wi-Fi 5 |
| Width | N/A | N/A | 9.44 inches | N/A | N/A |
| Wireless Type | Access Point | Access Point | Access Point | Access Point | Access Point |
| Wi‑Fi Standard |
Reviews & Ratings
L
Logan Fitzgerald
5
Wave 2 speeds support demanding office traffic efficiently.
M
Mitchell Harper
5
Strong roaming capabilities and stable dual band connectivity.
N
Nathaniel Dawson
5
Dependable wireless infrastructure upgrade with minimal downtime.
O
Oscar Caldwell
5
Consistent signal strength across multiple meeting rooms.
P
Preston Bennett
5
Reliable enterprise WiFi solution with smooth integration.
R
Russell Carter
5
Professional access point that improved overall network stability.
Questions & Answers
What is the Cisco Aironet AP1840I-T-K9 Access Point?
The Cisco Aironet AP1840I-T-K9 is a dual-band 802.11ac Wave 2 indoor wireless access point designed for high-density enterprise environments in the T domain.
Which frequency bands does the AP1840I-T-K9 support in the T domain?
The AP1840I-T-K9 supports both 2.4 GHz and 5 GHz frequency bands optimized for the T domain regulatory requirements.
What maximum data rates does the AP1840I-T-K9 deliver?
The AP1840I-T-K9 delivers up to 400 Mbps on 2.4 GHz and up to 1.73 Gbps on 5 GHz under 802.11ac Wave 2.
How is the Cisco AP1840I-T-K9 powered?
The Cisco AP1840I-T-K9 supports single-gigabit Ethernet PoE (802.3af) or PoE+ (802.3at) for both data and power over a single cable.
How many spatial streams does the AP1840I-T-K9 support?
The AP1840I-T-K9 supports 2×2 MU-MIMO with two spatial streams per band to serve multiple clients simultaneously.
Which antennas are compatible with the AP1840I-T-K9?
The AP1840I-T-K9 features integrated omnidirectional antennas and also supports Cisco external antenna modules via RP-TNC connectors.
What security features does the AP1840I-T-K9 offer?
The AP1840I-T-K9 offers advanced security with WPA3, 802.1X authentication, rogue AP detection, and integrated Cisco CleanAir technology.
How many client devices can the AP1840I-T-K9 handle?
The AP1840I-T-K9 can efficiently support up to 200 concurrent client associations in high-density scenarios.
Which Cisco wireless controller is required for the AP1840I-T-K9?
The AP1840I-T-K9 is fully compatible with Cisco Catalyst 9800 Series and Cisco 3504/5520/8540 wireless controllers.
Does the AP1840I-T-K9 support centralized management?
Yes, the AP1840I-T-K9 can be managed via Cisco DNA Center or Cisco Prime Infrastructure for policy-based automation and analytics.
What are the environmental specifications of the AP1840I-T-K9?
The AP1840I-T-K9 operates between 0°C and 40°C (32°F to 104°F) with a humidity range of 10% to 95% non-condensing.
What physical dimensions and weight does the AP1840I-T-K9 have?
The AP1840I-T-K9 measures 196 × 196 × 50 mm and weighs approximately 0.95 kg when fully assembled.
How is the AP1840I-T-K9 installed?
The AP1840I-T-K9 installs on ceiling tile or solid surfaces using the included mounting brackets and aligns with standard T-bar ceiling grids.
Does the AP1840I-T-K9 support Wi-Fi 6 (802.11ax)?
No, the AP1840I-T-K9 supports 802.11ac Wave 2 technology but does not support 802.11ax (Wi-Fi 6).
What warranty and support options are available for the AP1840I-T-K9?
The AP1840I-T-K9 includes a limited lifetime warranty and is eligible for Cisco SMARTnet services for 24/7 technical support and hardware replacement.
What software licensing is required for the AP1840I-T-K9?
The AP1840I-T-K9 requires Cisco DNA Essentials or Cisco DNA Advantage licensing for advanced policy automation, analytics, and security features.