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ME AP1840I integrates seamlessly and delivers steady enterprise performance.
AIR-AP1840I-T-K9C
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Cisco Aironet ME AP1840I Series access point - T domain
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AIR-AP1840I-T-K9C
- Description:
- Cisco Aironet ME AP1840I Series access point - T domain
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- Brand:
- Cisco
- GTIN:
- 996279666118
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- Warranty:
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$1,467.00
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AIR-AP1840I-T-K9C Overview
AIR-AP1840I-T-K9C is a high-performance indoor access point designed to deliver reliable wireless connectivity for enterprise environments. This dual-band device operates on both 2.4GHz and 5GHz frequencies using Wi‑Fi 5 (802.11ac) technology, featuring advanced connectivity enhancements such as MU‑MIMO and beamforming for improved performance and capacity in high‑density settings.
Engineered for versatile indoor deployments, the AIR-AP1840I-T-K9C supports installation options like ceiling and wall mounting, making it ideal for offices, educational institutions, and retail spaces. Its integrated design with an internal omnidirectional antenna and PoE support provides a streamlined solution for secure and scalable network environments.
AIR-AP1840I-T-K9C price is $1,467.00. AIR-AP1840I-T-K9C is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-AP1840I-T-K9C for additional pricing. Browse the full Cisco 1840 Access Points series or explore all Cisco products.
AIR-AP1840I-T-K9C Specifications
- Product Type
- Wireless Product
- 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
- Security Features
- WPA2 / WPA3
- Compliance
- FCC / CE / RoHS
- Processor
- N/A
- Memory
- N/A
- Outdoor Use
- No
- Product Name
- Cisco Aironet 1840 Indoor 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-T-K9C |  AIR-AP1840I-E-K9 |  AIR-AP1840I-F-K9C |  AIR-AP1840I-G-K9 |  AIR-AP1840I-B-K9 | |
|---|---|---|---|---|---|
| Antenna Gain | N/A | N/A | N/A | N/A | N/A |
| Antenna Type | 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 | 1Gbps | 1Gbps | Up to 1.3Gbps | Up to 1.3Gbps | 1.3Gbps |
| Depth | N/A | N/A | N/A | N/A | 8.3 inches |
| 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 | 1.4 inches |
| MIMO Technology | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO |
| Management Features | On-Premises | On-Premises / SNMP | On-Premises / SNMP | On-Premises / SNMP | 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 1840 Indoor Access Point | AIR-AP1840I-E-K9 | AIR-AP1840I-F-K9C | Cisco Aironet 1840I Wireless Access Point | Cisco Aironet 1840 Indoor Access Point |
| Product Type | Wireless Product | Wireless Access Point | Wireless Product | Wireless Access Point | 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 | WPA2 / 802.1X | WPA2 / WPA3 | WPA2 / WPA3 / 802.1X |
| Weight | N/A | N/A | N/A | N/A | 1.4 lbs |
| Wi-Fi Standard | Wi-Fi 5 | 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 | 8.3 inches |
| Wireless Type | Access Point | Access Point | Access Point | Access Point | Access Point |
| Wi‑Fi Standard |
Reviews & Ratings
T
Tristan Hayes
5
Reliable dual band coverage with centralized management benefits.
U
Ulysses Graham
5
Consistent throughput and smooth roaming between access points.
V
Vincent Brooks
5
Professional indoor AP supporting daily business operations reliably.
W
Wayne Fletcher
5
Stable connectivity and easy configuration through controller.
Z
Zane Matthews
5
Strong signal quality and predictable performance under load.
A
Anthony Doyle
4
Enterprise ready solution with dependable wireless stability.
Questions & Answers
What is the Cisco Aironet ME AP1840I Series access point (AIR-AP1840I-T-K9C)?
The AIR-AP1840I-T-K9C is an industrial-grade, weatherproof outdoor access point featuring integrated 802.11ac Wave 2 radios and IP67 ratings for reliable metro Ethernet deployments.
Which IEEE 802.11 standards does the AIR-AP1840I-T-K9C support?
It supports IEEE 802.11a/b/g/n/ac Wave 2 standards for dual-band 2.4 GHz and 5 GHz connectivity with MU-MIMO and beamforming technologies.
What environmental specifications define the AIR-AP1840I-T-K9C?
With an IP67 rating, the unit resists dust and water ingress, and operates in temperatures from –40 °C to 65 °C, making it ideal for harsh outdoor conditions.
How is the AIR-AP1840I-T-K9C powered?
It supports 802.3at Power-over-Ethernet Plus (PoE+), optional AC/DC power supplies, and redundant power sources for continuous operation.
What mounting options are available for the AIR-AP1840I-T-K9C?
You can mount it on walls, poles, or masts using included brackets and clamps for flexible outdoor installations.
How many SSIDs and clients does the AIR-AP1840I-T-K9C support?
The access point supports up to 16 SSIDs and can handle hundreds of concurrent client associations per radio under typical conditions.
Does the AIR-AP1840I-T-K9C support mesh networking?
Yes, it supports Cisco Intelligent Mesh Technology for self-healing, self-configuring wireless backhaul links in outdoor environments.
How is the AIR-AP1840I-T-K9C managed?
Manage it centrally with Cisco Wireless LAN Controllers or Cisco DNA Center, or run in autonomous mode using the CLI or GUI.
What security features are integrated in the AIR-AP1840I-T-K9C?
It includes 802.1X authentication, WPA3, Advanced Encryption Standard (AES), Cisco TrustSec, and rogue AP detection for enterprise-grade protection.
Which radio frequency ranges does the AIR-AP1840I-T-K9C cover?
It operates in the 2.4 GHz band (2400–2483.5 MHz) and the 5 GHz band (5150–5850 MHz) under the T regulatory domain.
Can I use external antennas with the AIR-AP1840I-T-K9C?
Yes, it features two N-type connectors per radio for high-gain external antennas to extend coverage and optimize link performance.
What software version runs on the AIR-AP1840I-T-K9C?
It runs Cisco IOS XE with support for advanced feature sets such as Flexible Radio Assignment and Cisco DNA-ready functionalities.
How do I upgrade the firmware on the AIR-AP1840I-T-K9C?
Firmware upgrades are performed via the Cisco DNA Center or Wireless LAN Controller using TFTP/FTP or HTTP(S) download methods for in-field updates.
What applications suit the AIR-AP1840I-T-K9C?
Ideal for smart cities, outdoor campuses, utility networks, and transportation hubs requiring rugged, high-capacity wireless access.
What is included in the AIR-AP1840I-T-K9C package?
The package contains the AP unit, mounting brackets, weatherproof connectors, documentation, and a quick-start guide for rapid deployment.
What warranty and support options are available for the AIR-AP1840I-T-K9C?
Cisco provides a limited lifetime hardware warranty and offers optional SMARTnet support for 24/7 technical assistance and software updates.