What power options are available for the AP1840I?

The AP1840I can be powered via IEEE 802.3af PoE, IEEE 802.3at PoE+, or an optional 48 V DC power supply, simplifying installation and cabling.

What is Domain B and why is it important?

Domain B is the regulatory region for Europe, the Middle East, and Africa. The AP1840I-B-K9C is preconfigured to comply with Domain B channel and power regulations for legal operation.

How many client devices can the AP1840I support?

The AP1840I can support up to 200 client associations per radio under typical enterprise workloads, ensuring reliable connectivity in dense user environments.

Which management and controller options are supported?

The AP1840I is managed via Cisco Mobility Express, Cisco Mobility Controllers (CAPWAP), and Cisco DNA Center, offering flexible deployment and centralized orchestration.

Does the AP1840I support MU-MIMO and OFDMA?

Yes. The AP1840I supports downlink MU-MIMO for simultaneous multi-client transmissions and OFDMA enhancements for efficient spectrum utilization.

Is the AP1840I equipped with Cisco CleanAir technology?

Yes. The AP1840I includes an integrated CleanAir radio to detect, classify, and mitigate RF interference for optimal wireless performance.

What built-in security features does the AP1840I offer?

The AP1840I supports WPA3, 802.1X authentication, AES encryption, rogue AP detection, and segmentation via Cisco TrustSec for comprehensive wireless security.

What type of antennas does the AP1840I use?

The AP1840I uses high-performance internal omnidirectional antennas, delivering consistent coverage without requiring external antenna mounting.

What mounting options are available for the AP1840I?

The AP1840I supports T-bar ceiling, flat ceiling, and wall mounting using the included bracket kit for versatile installation in offices and public spaces.

What warranty and support are included with the AP1840I?

The AP1840I includes a limited lifetime warranty and access to Cisco’s Technical Assistance Center (TAC) for ongoing software updates and hardware replacement.

Which deployment scenarios is the AP1840I best suited for?

The AP1840I is ideal for branch offices, classrooms, retail stores, and hospitality environments requiring high-density, secure, and managed wireless access.

How does the AP1840I simplify network scaling and upgrades?

With plug-and-play PoE installation, unified management options, and backward compatibility with 802.11a/b/g/n clients, the AP1840I enables seamless network expansion and future-proofing.

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AIR-AP1840I-B-K9C

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SKU: AIR-AP1840I-B-K9C
Price: 982.00 USD
Availability: InStock
Rating: 4.4 (7 reviews)

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AIR-AP1840I-B-K9C Overview

AIR-AP1840I-B-K9C is an enterprise-class indoor wireless access point that delivers robust connectivity by operating on dual frequency bands of 2.4GHz and 5GHz while adhering to the Wi‑Fi 5 (802.11ac) standard. It is engineered to achieve data rates of up to 1Gbps, ensuring reliable high-speed performance in mission-critical environments without unnecessary frills.

Designed for flexible indoor deployment, this access point offers features such as MU-MIMO and beamforming to optimize client connections and network reliability. With integrated omnidirectional antennas, RJ‑45 Ethernet connectivity, and PoE power options, AIR-AP1840I-B-K9C is ideally suited for large office spaces, educational institutions, and campus deployments where seamless connectivity and robust security using WPA2/WPA3 and 802.1X are essential.

AIR-AP1840I-B-K9C price is $982.00, a 29.7% saving from the Cisco list price of $1,396.00. AIR-AP1840I-B-K9C is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for AIR-AP1840I-B-K9C for additional pricing. Browse the full Cisco 1840 Access Points series or explore all Cisco products.

AIR-AP1840I-B-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: 100 meters
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-B-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-B-K9C	AIR-AP1840I-K-K9	AIR-AP1840I-S-K9	AIR-AP1840I-H-K9C	AIR-AP1840I-B-K9
Antenna Gain	N/A	N/A	N/A	N/A	N/A
Antenna Type	Omnidirectional	Internal Omnidirectional	Omnidirectional	Internal Omnidirectional	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	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 / SNMP	Cloud Management / On-Premises / SNMP	Cloud Management / 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	100 meters	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-B-K9C	Cisco AIR-AP1840I-K-K9	AIR-AP1840I-S-K9	Cisco Aironet 1840 Indoor Access Point	Cisco Aironet 1840 Indoor Access Point
Product Type	Wireless Product	Wireless Product	Wireless Access Point	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 / 802.1X	WPA2 / WPA3 / 802.1X / VPN	WPA2 / WPA3 / 802.1X	WPA2 / WPA3 / 802.1X	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	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

Bryan Harper

ME AP1840I delivers consistent WiFi performance and reliable coverage.

Cameron Fitzgerald

Wave 2 speeds are stable and support office productivity.

Dylan Matthews

Seamless controller integration and strong indoor signal.

Ethan Coleman

Professional enterprise AP with predictable uptime.

Frank Dawson

Dependable dual band performance in mid size deployments.

Grant Whitman

Smooth installation and efficient wireless management.

Harrison Carter

Reliable Cisco Aironet solution for structured offices.

Questions & Answers

What is the Cisco Aironet ME AP1840I Series Access Point B Domain (SKU: AIR-AP1840I-B-K9C)?

The Cisco Aironet ME AP1840I Series Access Point B Domain (SKU: AIR-AP1840I-B-K9C) is an indoor, dual-radio 802.11ac Wave 2 access point pre-configured for regulatory Domain B. It delivers up to 1.3 Gbps aggregate throughput, enterprise-grade security, and advanced RF management.

Which IEEE wireless standards does the AP1840I support?

The AP1840I supports IEEE 802.11a/b/g/n and 802.11ac Wave 2, enabling legacy compatibility and high-speed wireless connectivity in enterprise environments.

What maximum data rates are achievable with the AP1840I?

The AP1840I delivers up to 400 Mbps on 2.4 GHz and up to 867 Mbps on 5 GHz for a combined maximum of 1.267 Gbps, leveraging 4x4 MIMO and 80 MHz channels.

How many spatial streams and antennas does the AP1840I use?

The AP1840I features 4x4 MIMO on both 2.4 GHz and 5 GHz bands with four internal antennas, supporting up to four spatial streams simultaneously.

Related Searches Cisco 1840 Access Points

AIR-AP1840I-H-K9C AIR-AP1840I-F-K9C AIR-AP1840I-T-K9C AIR-AP1840I-G-K9C AIR-AP1840I-Z-K9C AIR-AP1840I-S-K9C AIR-AP1840I-D-K9C AIR-AP1840I-I-K9C

AIR-AP1840I-B-K9C Overview

AIR-AP1840I-B-K9C price is $982.00, a 29.7% saving from the Cisco list price of $1,396.00. AIR-AP1840I-B-K9C is in stock and available for next-day dispatch. (terms applied)

Request bulk order quote for AIR-AP1840I-B-K9C for additional pricing. Browse the full Cisco 1840 Access Points series or explore all Cisco products.

AIR-AP1840I-B-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

100 meters

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-B-K9C

Height

N/A

Width

N/A

Depth

N/A

Weight

N/A

Product Comparison Table

	AIR-AP1840I-B-K9C	AIR-AP1840I-K-K9	AIR-AP1840I-S-K9	AIR-AP1840I-H-K9C	AIR-AP1840I-B-K9
Antenna Gain	N/A	N/A	N/A	N/A	N/A
Antenna Type	Omnidirectional	Internal Omnidirectional	Omnidirectional	Internal Omnidirectional	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	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 / SNMP	Cloud Management / On-Premises / SNMP	Cloud Management / 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	100 meters	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-B-K9C	Cisco AIR-AP1840I-K-K9	AIR-AP1840I-S-K9	Cisco Aironet 1840 Indoor Access Point	Cisco Aironet 1840 Indoor Access Point
Product Type	Wireless Product	Wireless Product	Wireless Access Point	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 / 802.1X	WPA2 / WPA3 / 802.1X / VPN	WPA2 / WPA3 / 802.1X	WPA2 / WPA3 / 802.1X	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	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

Questions & Answers

What is the Cisco Aironet ME AP1840I Series Access Point B Domain (SKU: AIR-AP1840I-B-K9C)?

Which IEEE wireless standards does the AP1840I support?

The AP1840I supports IEEE 802.11a/b/g/n and 802.11ac Wave 2, enabling legacy compatibility and high-speed wireless connectivity in enterprise environments.

What maximum data rates are achievable with the AP1840I?

The AP1840I delivers up to 400 Mbps on 2.4 GHz and up to 867 Mbps on 5 GHz for a combined maximum of 1.267 Gbps, leveraging 4x4 MIMO and 80 MHz channels.

How many spatial streams and antennas does the AP1840I use?

The AP1840I features 4x4 MIMO on both 2.4 GHz and 5 GHz bands with four internal antennas, supporting up to four spatial streams simultaneously.