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ME access point integrates easily and delivers steady performance.
AIR-AP1840I-S-K9C
Cisco Aironet ME AP1840I Series access point - S domain
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Name:
AIR-AP1840I-S-K9C
- Description:
- Cisco Aironet ME AP1840I Series access point - S domain
- Rating:
Added to cart 28 times recently
- Availability:
In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 889728160551
- Condition:
- Warranty:
- 3
- Price:
$1,467.00
Quantity:
1
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AIR-AP1840I-S-K9C Overview
AIR-AP1840I-S-K9C is a high-performance wireless access point designed specifically for indoor enterprise deployments. It supports dual-band connectivity on 2.4GHz and 5GHz frequencies using the advanced 802.11ac (Wi‑Fi 5) standard to deliver data rates up to 1.3Gbps. With integrated MU‑MIMO and beamforming capabilities, this access point optimizes network performance in high‐density environments such as large offices, retail spaces, and educational institutions.
Engineered for simple installation and flexible deployment, AIR-AP1840I-S-K9C offers both ceiling and wall mounting options while featuring a compact design with a single Gigabit Ethernet (RJ‑45) port and PoE power supply. Its internal omnidirectional antennas ensure robust, reliable indoor coverage, reinforcing its role as a solid enterprise-grade solution for modern wireless networking needs.
AIR-AP1840I-S-K9C price is $1,467.00. AIR-AP1840I-S-K9C is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-AP1840I-S-K9C for additional pricing. Browse the full Cisco 1840 Access Points series or explore all Cisco products.
AIR-AP1840I-S-K9C Specifications
- Product Type
- Wireless Access Point
- 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
- 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 / 802.1X
- Compliance
- FCC / CE / RoHS
- Processor
- N/A
- Memory
- N/A
- Outdoor Use
- No
- Product Name
- AIR-AP1840I-S-K9C
- 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-S-K9C |  AIR-AP1840I-T-K9C |  AIR-AP1840I-E-K9 |  AIR-AP1840I-B-K9C |  AIR-AP1840I-Z-K9 | |
|---|---|---|---|---|---|
| Antenna Gain | N/A | N/A | N/A | N/A | N/A |
| Antenna Type | Omnidirectional | 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 | 1.3Gbps | 1Gbps | 1Gbps | 1Gbps | 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 | 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 | 100 meters | 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-S-K9C | Cisco Aironet 1840 Indoor Access Point | AIR-AP1840I-E-K9 | AIR-AP1840I-B-K9C | Cisco Aironet 1840I Series Access Point |
| Product Type | Wireless Access Point | Wireless Product | Wireless Access Point | Wireless Product | Wireless Product |
| 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 / 802.1X | WPA2 / WPA3 | WPA2 / WPA3 / 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 | Wi‑Fi 5 | 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
R
Richard Lawson
5
Reliable enterprise WiFi with strong coverage indoors.
S
Samuel Fletcher
5
Wave 2 speeds remain stable during peak hours.
T
Thomas Barrett
5
Dependable dual band connectivity and easy management.
W
William Harper
5
Consistent indoor performance with minimal downtime.
A
Andrew Collins
4
Strong signal quality and seamless roaming.
B
Benjamin Turner
5
Solid enterprise AP supporting daily operations effectively.
Questions & Answers
What is the Cisco Aironet ME AP1840I Series access point?
The Cisco Aironet ME AP1840I Series is an indoor, dual-radio, Wi-Fi 6 access point designed for high-density enterprise environments, delivering up to 5.38 Gbps aggregate throughput.
What does the SKU AIR-AP1840I-S-K9C represent?
AIR-AP1840I-S-K9C is the Cisco Aironet ME AP1840I access point for the S regulatory domain, including standard PoE/PoE+ support and internal antennas.
Which frequency bands does the AP1840I support?
The AP1840I supports simultaneous dual-band operation on 2.4 GHz and 5 GHz, optimized for maximum coverage and capacity.
What peak data rates can the AP1840I deliver?
The AP1840I delivers up to 1.2 Gbps on 2.4 GHz and 4.8 Gbps on 5 GHz, totaling 6 Gbps of aggregate throughput.
Does the AP1840I support Cisco DNA Center integration?
Yes. The AP1840I integrates with Cisco DNA Center for policy-based automation, assurance, analytics, and simplified lifecycle management.
What power options and PoE standards are supported?
The AP1840I supports Cisco UPOE, PoE+ (802.3at), and PoE (802.3af), consuming up to 35.6 W for full feature operation.
How is the AP1840I mounted?
The AP1840I can be ceiling-mounted using the included T-bar tile bracket or wall-mounted with an optional bracket kits for concrete and drywall.
Which wireless security protocols are supported?
The AP1840I supports WPA3, WPA2 Enterprise, 802.1X, MFP, and supports secure onboarding with Cisco Identity Services Engine (ISE).
How many SSIDs and VLANs can the AP1840I handle?
Each radio on the AP1840I supports up to 16 SSIDs, allowing segmentation into multiple VLANs for guest, IoT, and secure traffic.
What does 'S domain' mean for this access point?
The 'S domain' indicates regulatory compliance for select regions (e.g., EU countries) and preconfigured transmit power and channel settings.
What environmental certifications does the AP1840I hold?
The AP1840I is RoHS-compliant, ENERGY STAR® certified, and tested for ETSI and FCC regulatory standards in the S domain.
What is the coverage range for the AP1840I?
In typical office environments, the AP1840I covers up to 270 ft (82 m) indoors, depending on building materials and client device sensitivity.
How many client devices can the AP1840I support?
The AP1840I reliably supports up to 200 active client associations per access point for high-density deployments.
What warranty and support options are available?
Cisco offers a limited lifetime hardware warranty, 90-day software updates, and optional SMARTnet® support for advanced replacement and TAC access.
Is Wi-Fi 6 (802.11ax) supported on the AP1840I?
Yes. The AP1840I features Wi-Fi 6 (802.11ax) with OFDMA, MU-MIMO, and BSS Coloring for improved efficiency and reduced latency.
Which management modes does the AP1840I support?
The AP1840I can operate in Cisco Catalyst controller-based mode, Cisco DNA Center managed mode, or as a standalone autonomous access point.