What power options are available for this access point?

The AP1840I-E-K9 is powered via 802.3at PoE+ or optional Cisco Universal Power Supply, simplifying installation without dedicated AC outlets.

Does the AP1840I-E-K9 include integrated antennas?

Yes, it features four internal omnidirectional antennas per radio, providing optimized coverage for open office and classroom environments.

What security features are built into this access point?

It offers WPA3, 802.1X authentication, Cisco TrustSec, rogue AP detection, and Secure Boot for comprehensive wireless security.

Which management platforms are supported?

You can manage the AP1840I-E-K9 via Cisco DNA Center, Cisco Prime Infrastructure, or on-board Mobility Express for flexible deployment.

What RF management capabilities does the AP1840I-E-K9 offer?

It includes Cisco CleanAir technology, Flexible Radio Assignment, and Dynamic Channel Assignment to optimize spectrum usage and minimize interference.

How many client devices can it handle simultaneously?

The AP1840I-E-K9 supports up to 400 associated clients, making it ideal for classrooms, retail, and conference environments.

What are the environmental operating conditions?

Operating temperature ranges from 0 °C to 40 °C, with humidity between 10% and 95% non-condensing, compliant with EN 301 893 and EN 300 328.

What does the “E” regulatory domain signify?

The “E” domain indicates compliance with European Union radio regulations and frequency ranges approved for indoor use.

What warranty and support options are available?

Cisco offers a limited lifetime hardware warranty with next-business-day advance replacement and optional Cisco SMARTnet technical support.

How do I update the firmware on the AP1840I-E-K9?

Firmware updates are managed through Cisco DNA Center, Prime Infrastructure, or the AP’s web interface, ensuring secure OTA upgrades.

What mounting options are supported?

It supports ceiling tile, surface-mount, and wall-mount installations with included brackets and T-bar clips for flexible deployment.

Can the AP1840I-E-K9 integrate with Cisco Catalyst networks?

Yes, it seamlessly integrates with Cisco Catalyst switches and routers for unified policy enforcement and end-to-end network visibility.

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Name: Cisco Aironet AP1840I Series access point - E domain
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SKU: AIR-AP1840I-E-K9
Price: 1467.00 USD
Availability: InStock
Rating: 4.4 (7 reviews)

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AIR-AP1840I-E-K9 Overview

AIR-AP1840I-E-K9 is a high-performance indoor wireless access point designed for enterprise environments that demand reliable, fast, and secure connectivity. This device operates in dual-band mode (2.4GHz and 5GHz) and adheres to Wi-Fi 5 (802.11ac Wave 2) standards, offering a data rate of up to 1Gbps while leveraging advanced connectivity features such as MU-MIMO and beamforming to optimize network efficiency.

Engineered for seamless installation in large offices, educational institutions, and similar high-density indoor settings, the AIR-AP1840I-E-K9 supports versatile mounting options including ceiling and wall mounts. With integrated internal omnidirectional antennas, the device simplifies deployment, and its PoE power supply further enhances installation flexibility, making it an ideal solution for modern enterprise wireless networks.

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

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

AIR-AP1840I-E-K9 Specifications

Product Type: Wireless Access Point
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 / SNMP
Security Features: WPA2 / WPA3 / 802.1X
Compliance: FCC / CE / RoHS
Processor: N/A
Memory: N/A
Outdoor Use: No
Product Name: AIR-AP1840I-E-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-E-K9	AIR-AP1840I-H-K9C	AIR-AP1840I-G-K9C	AIR-AP1840I-S-K9C	AIR-AP1840I-H-K9
Antenna Gain	N/A	N/A	N/A	N/A	N/A
Antenna Type	Omnidirectional	Internal 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	1Gbps	Up to 1.3Gbps	1.3Gbps	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	On-Premises / SNMP	On‑Premises / SNMP	On-Premises / SNMP	On-Premises / SNMP	Cisco Mobility Express
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	N/A	No	No
Mounting Options	Ceiling Mount / Wall Mount	Ceiling Mount / Wall Mount	Ceiling 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-E-K9	Cisco Aironet 1840 Indoor Access Point	Cisco AIR-AP1840I-G-K9C	AIR-AP1840I-S-K9C	AIR-AP1840I-H-K9
Product Type	Wireless Access Point	Wireless Access Point	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 / WPA3 / 802.1X	WPA2 / 802.1X	WPA2 / 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	802.11ac
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

Harold Bennett

Strong indoor coverage and reliable throughput. Ideal for enterprise WiFi upgrades.

Isaac Donovan

Stable performance with seamless roaming between access points.

James Holloway

Easy deployment and solid integration into our Cisco WLAN.

Kenneth Marshall

Wave 2 speeds handle office traffic efficiently.

Leonard Bishop

Consistent connectivity and minimal downtime across departments.

Martin Fletcher

Enterprise grade reliability with centralized management simplicity.

Norman Reed

Dependable indoor AP delivering strong dual band performance.

Questions & Answers

What is the Cisco Aironet AP1840I-E-K9 access point?

The Cisco Aironet AP1840I-E-K9 is a dual-radio Wi-Fi 6 (802.11ax) indoor access point optimized for high-density enterprise deployments in the E regulatory domain.

Which Wi-Fi standards does the AP1840I-E-K9 support?

The AP1840I-E-K9 supports IEEE 802.11a/b/g/n/ac Wave 2 and AX (Wi-Fi 6) standards on both 2.4 GHz and 5 GHz bands.

What maximum data rates can I expect from the AP1840I-E-K9?

The AP1840I-E-K9 delivers up to 1.2 Gbps on 2.4 GHz and 2.4 Gbps on 5 GHz, for a combined theoretical throughput of 3.6 Gbps.

How many spatial streams and MU-MIMO does it support?

It supports 4×4:4 MU-MIMO with up to four spatial streams per radio, enabling simultaneous high-speed connections for multiple clients.

Related Searches Cisco 1840 Access Points

AIR-AP1840I-Z-K9 AIR-AP1840I-B-K9 AIR-AP1840I-H-K9 AIR-AP1840I-G-K9 AIR-AP1840I-F-K9 AIR-AP1840I-T-K9 AIR-AP1840I-I-K9 AIR-AP1840I-D-K9

AIR-AP1840I-E-K9 Overview

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

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

AIR-AP1840I-E-K9 Specifications

Product Type

Wireless Access Point

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

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 / 802.1X

Compliance

FCC / CE / RoHS

Processor

N/A

Memory

N/A

Outdoor Use

Product Name

AIR-AP1840I-E-K9

Height

N/A

Width

N/A

Depth

N/A

Weight

N/A

Product Comparison Table

	AIR-AP1840I-E-K9	AIR-AP1840I-H-K9C	AIR-AP1840I-G-K9C	AIR-AP1840I-S-K9C	AIR-AP1840I-H-K9
Antenna Gain	N/A	N/A	N/A	N/A	N/A
Antenna Type	Omnidirectional	Internal 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	1Gbps	Up to 1.3Gbps	1.3Gbps	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	On-Premises / SNMP	On‑Premises / SNMP	On-Premises / SNMP	On-Premises / SNMP	Cisco Mobility Express
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	N/A	No	No
Mounting Options	Ceiling Mount / Wall Mount	Ceiling Mount / Wall Mount	Ceiling 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-E-K9	Cisco Aironet 1840 Indoor Access Point	Cisco AIR-AP1840I-G-K9C	AIR-AP1840I-S-K9C	AIR-AP1840I-H-K9
Product Type	Wireless Access Point	Wireless Access Point	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 / WPA3 / 802.1X	WPA2 / 802.1X	WPA2 / 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	802.11ac
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

Questions & Answers

What is the Cisco Aironet AP1840I-E-K9 access point?

The Cisco Aironet AP1840I-E-K9 is a dual-radio Wi-Fi 6 (802.11ax) indoor access point optimized for high-density enterprise deployments in the E regulatory domain.

Which Wi-Fi standards does the AP1840I-E-K9 support?

The AP1840I-E-K9 supports IEEE 802.11a/b/g/n/ac Wave 2 and AX (Wi-Fi 6) standards on both 2.4 GHz and 5 GHz bands.

What maximum data rates can I expect from the AP1840I-E-K9?

The AP1840I-E-K9 delivers up to 1.2 Gbps on 2.4 GHz and 2.4 Gbps on 5 GHz, for a combined theoretical throughput of 3.6 Gbps.

How many spatial streams and MU-MIMO does it support?

It supports 4×4:4 MU-MIMO with up to four spatial streams per radio, enabling simultaneous high-speed connections for multiple clients.