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AIR-AP1840I-S-K9

Description:
Cisco Aironet AP1840I Series access point - S domain
Rating:
4.4(7)

Added to cart 28 times recently

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2 In stock - Ready to Ship

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Cisco
GTIN:
889728160551
Condition:
Warranty:
3
Price:

$1,467.00

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AIR-AP1840I-S-K9

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Cisco Aironet AP1840I Series access point - S domain

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AIR-AP1840I-S-K9 Overview

AIR-AP1840I-S-K9 is a high-performance indoor wireless access point engineered for enterprise environments. It operates on dual bands – 2.4GHz and 5GHz – and complies with the Wi‑Fi 5 (802.11ac) standard, delivering data rates of up to 1.3Gbps for uninterrupted voice, video, and data streaming. Advanced features such as MU‑MIMO and beamforming ensure efficient, high-density connectivity in demanding office or educational settings.

Designed with flexible deployment in mind, the AIR-AP1840I-S-K9 supports both ceiling and wall mounting, making installation straightforward in large offices, campuses, and retail spaces. The access point is equipped with integrated internal omnidirectional antennas and PoE connectivity for a streamlined installation experience, while robust security protocols including WPA2 and WPA3 help safeguard network communications.

AIR-AP1840I-S-K9 price is $1,467.00. AIR-AP1840I-S-K9 is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for AIR-AP1840I-S-K9 for additional pricing. Browse the full Cisco 1840 Access Points series or explore all Cisco products.

AIR-AP1840I-S-K9 Specifications

Product Type
Wireless Access Point
Brand
Cisco
Wireless Type
Access Point
Wi-Fi Standard
Wi-Fi 5
Frequency Bands
2.4GHz / 5GHz
Data Rate
1.3Gbps
Connector Type
RJ-45
Antenna Type
Omnidirectional
MIMO Technology
MU-MIMO
Beamforming
Yes
Mounting Options
Ceiling Mount / Wall Mount
Power Supply
PoE
Mesh Networking
No
Ethernet Port
1x Gigabit
Protocols Supported
802.11a/b/g/n/ac
Management Features
Cloud Management / On-Premises / SNMP
Security Features
WPA2 / WPA3 / 802.1X
Compliance
FCC / CE / RoHS
Outdoor Use
No
Product Name
AIR-AP1840I-S-K9

Product Comparison Table

Cisco Aironet AP1840I Series access point - S domainAIR-AP1840I-S-K9Cisco Aironet AP1840I Series access point - G domainAIR-AP1840I-G-K9Cisco Aironet AP1840I Series access point - K domainAIR-AP1840I-K-K9Cisco Aironet ME AP1840I Series access point - T domainAIR-AP1840I-T-K9CCisco Aironet AP1840I Series access point - D domainAIR-AP1840I-D-K9
Product TypeWireless Access PointWireless Access PointWireless ProductWireless ProductWireless Access Point
Wireless TypeAccess PointAccess PointAccess PointAccess PointAccess Point
Wi-Fi StandardWi-Fi 5Wi-Fi 5 (802.11ac Wave 2)Wi-Fi 5Wi-Fi 5Wi-Fi 5
Frequency Bands2.4GHz / 5GHz2.4GHz / 5GHz2.4GHz / 5GHz2.4GHz / 5GHz2.4GHz / 5GHz
Data Rate1.3GbpsUp to 1.3Gbps1Gbps1Gbps1Gbps
Connector TypeRJ-45RJ-45RJ-45RJ-45RJ-45
Antenna TypeOmnidirectionalOmnidirectional (Internal)Internal OmnidirectionalOmnidirectionalOmnidirectional
MIMO TechnologyMU-MIMOMU-MIMOMU-MIMOMU-MIMOMU-MIMO
BeamformingYesYesYesYesYes
Mounting OptionsCeiling Mount / Wall MountCeiling Mount / Wall MountCeiling Mount / Wall MountCeiling Mount / Wall MountCeiling Mount / Wall Mount
Power SupplyPoEPoEPoEPoEPoE
Ethernet Port1x Gigabit1x Gigabit1x Gigabit1x Gigabit1x Gigabit
Protocols Supported802.11a/b/g/n/ac802.11a/b/g/n/ac802.11a/b/g/n/ac802.11a/b/g/n/ac802.11a/b/g/n/ac
Management FeaturesCloud Management / On-Premises / SNMPOn-Premises / SNMPCloud Management / On-Premises / SNMPOn-PremisesOn-Premises / SNMP
Security FeaturesWPA2 / WPA3 / 802.1XWPA2 / WPA3WPA2 / WPA3 / 802.1X / VPNWPA2 / WPA3WPA2 / 802.1X
ComplianceFCC / CE / RoHSFCC / CE / RoHSFCC / CE / RoHSFCC / CE / RoHSFCC / CE / RoHS
Outdoor UseNoNoNoNoNo
Product NameAIR-AP1840I-S-K9Cisco Aironet 1840I Wireless Access PointCisco AIR-AP1840I-K-K9Cisco Aironet 1840 Indoor Access PointAIR-AP1840I-D-K9

Compliance & Coverage

ISO 27001
ISO 45001
RoHS
REACH
FCC
CE
UKCA
VCCI
ISO 9001
ISO 14001

100% Genuine Product Guarantee

Every unit is authentic, sourced through trusted and authorised channels, and serial-verified on request. Genuine networking and IT hardware, guaranteed, or your money back.

Up to 3-Year Warranty Coverage

New products are backed by up to 3 years of extended warranty, and certified refurbished units by up to 3 months, for dependable protection on every order. Coverage is clear, honoured in full, and confirmed on each product page.

Hassle-Free RMA & Returns

If a unit ever falls short, our streamlined RMA process gets a replacement to you fast, with advance replacement available to keep your network running. No jargon, no runaround.

Rigorously Tested & Quality Assured

Every device is inspected, bench-tested, and firmware-verified, with configurations wiped before dispatch. Additional testing can be arranged to confirm full working condition on request.

Expert Technical Support

Our specialists assist with compatibility, configuration, licensing, and installation, before and after you buy. Real hardware expertise, whenever you need it.

Fast Global Delivery

dispatched quickly and shipped worldwide from regional hubs, fully tracked and insured.

Reviews & Ratings

S
Stephen Collins
5

Stable enterprise WiFi coverage and strong signal performance.

T
Timothy Hayes
5

Wave 2 access point delivering predictable speeds.

V
Victor Harrison
4

Seamless roaming and dependable indoor connectivity.

W
Walter Brooks
4

Easy deployment and centralized management.

A
Anthony Turner
4

Reliable dual band performance in corporate rollout.

B
Brandon Harrison
5

Professional AP with consistent uptime.

C
Charles Brooks
4

Strong indoor signal and efficient configuration process.

Questions & Answers

What is the Cisco Aironet AP1840I-S-K9 access point designed for?

The Cisco Aironet AP1840I-S-K9 is a Wi-Fi 6 access point optimized for high-density enterprise deployments, offering enhanced throughput, security, and scalability in the S domain.

Which Wi-Fi standard does the AP1840I support?

The AP1840I supports the IEEE 802.11ax (Wi-Fi 6) standard, delivering up to 2.4 Gbps aggregate data rates and improved multi-user performance.

How many spatial streams and radios are available on the AP1840I?

The AP1840I features two radios, each supporting 4x4 MU-MIMO spatial streams, enabling simultaneous communication with multiple devices.

What wired interfaces does the Cisco Aironet AP1840I include?

The AP1840I provides two 1 Gbps Ethernet ports with link aggregation and PoE/PoE+ support for redundant power and uplink connectivity.

Can I power the AP1840I using Power over Ethernet?

Yes, the AP1840I supports 802.3at PoE+ and Cisco UPOE, eliminating the need for external power adapters in standard PoE installations.

What domain license is required for the AP1840I-S-K9?

The AP1840I-S-K9 ships with a Smart License entitlement for the Cisco Catalyst Wireless Controller S domain, covering advanced services and management.

How does the AP1840I improve network security?

The AP1840I integrates Cisco Trust Anchor Technologies, WPA3 encryption, and identity-based access control to protect enterprise Wi-Fi environments.

Is the AP1840I compatible with existing Cisco wireless controllers?

Yes, the AP1840I-S-K9 is fully compatible with Cisco Catalyst and 9800 Series wireless controllers, ensuring seamless integration and management.

What management options are available for the AP1840I?

You can manage the AP1840I through Cisco DNA Center for centralized orchestration or via CLI and GUI on Cisco 9800 and Catalyst controllers.

What deployment modes are supported by the AP1840I?

The AP1840I supports bridged, repeater, Cisco FlexConnect, and mesh deployment modes for flexible campus, branch, and outdoor use cases.

What is the typical indoor coverage area for the AP1840I?

The AP1840I typically covers up to 2,500 square feet indoors, depending on building materials and environmental factors.

Which mounting options are available for the AP1840I?

The AP1840I supports ceiling tile rail, flush mounting, and wall mounting kits, providing versatile installation in offices and open areas.

Does the AP1840I support location-based services?

Yes, the AP1840I integrates Cisco DNA Spaces for real-time location analytics, asset tracking, and proximity-based engagement.

What power consumption should I expect from the AP1840I?

The AP1840I has a maximum power draw of 21.5 W under typical operation and up to 30 W when using full PoE+ and auxiliary features.

What warranty and support options are available?

Cisco offers a limited lifetime warranty on the AP1840I hardware and optional Cisco SMARTnet services for 24/7 global support and software updates.

How do I upgrade the firmware on the AP1840I?

Firmware on the AP1840I can be upgraded via Cisco DNA Center or directly on the Cisco wireless controller using the software image management feature.