What is the maximum aggregate throughput of the AP1840I-B-K9?

It delivers up to 3.6 Gbps in the 5 GHz band and up to 1.2 Gbps in the 2.4 GHz band, for a total aggregate of 4.8 Gbps.

Does the AP1840I-B-K9 support Power over Ethernet (PoE)?

Yes, it supports IEEE 802.3at PoE+ with a minimum power budget of 30 W, eliminating the need for separate power cabling.

How is the AP1840I-B-K9 physically mounted?

The AP1840I-B-K9 uses a universal ceiling or wall bracket, compatible with standard electrical boxes for quick, tool-less installation.

Which management platforms are compatible with the AP1840I-B-K9?

You can manage it via Cisco DNA Center, Cisco Prime Infrastructure, or a Cisco Catalyst 9800 Series wireless controller.

Does the AP1840I-B-K9 have integrated or external antennas?

It features integrated directional patch antennas optimized for corridor and open-area deployments.

What security features are included with the AP1840I-B-K9?

Built-in security includes WPA3 encryption, Secure Boot, Cisco Identity Services Engine (ISE) integration, MACsec, and rogue AP detection.

Is a software license required for the AP1840I-B-K9?

Basic connectivity is included; advanced analytics and automation require a Cisco DNA subscription license.

Which firmware version is recommended for the AP1840I-B-K9?

Use Cisco IOS XE 17.x or later to unlock full Wi-Fi 6 feature support and security enhancements.

How many client devices can the AP1840I-B-K9 support?

The AP1840I-B-K9 can handle up to 200 concurrent clients, leveraging MU-MIMO and OFDMA for efficient traffic management.

What is the typical coverage area of the AP1840I-B-K9?

It provides reliable coverage in open environments up to 50 meters radius; actual range varies with building materials and client density.

What use cases are ideal for the AP1840I-B-K9?

The AP1840I-B-K9 excels in high-density indoor use cases such as corporate offices, educational campuses, retail corridors, and hospitality venues.

What are the dimensions and weight of the AP1840I-B-K9?

The unit measures 216 × 216 × 35 mm and weighs approximately 620 grams, suitable for low-profile ceiling or wall mounts.

Does the AP1840I-B-K9 support wireless mesh networking?

Yes, it supports Cisco Unified Mesh, enabling flexible deployment without the need for wired Ethernet backhaul.

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Name: Cisco Aironet AP1840I Series access point - B domain
Brand: Cisco
SKU: AIR-AP1840I-B-K9
Price: 498.00 USD
Availability: InStock
Rating: 4.4 (7 reviews)

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AIR-AP1840I-B-K9 Overview

AIR-AP1840I-B-K9 is a high-performance indoor Access Point engineered to deliver robust dual-band wireless connectivity across 2.4GHz and 5GHz frequencies while supporting the Wi-Fi 5 (802.11ac Wave 2) standard. With capabilities including data rates up to 1.3Gbps, MU-MIMO, and beamforming technology, this device offers seamless high-speed internet for dynamic environments such as large offices, educational institutions, and public venues.

AIR-AP1840I-B-K9 is designed for easy deployment with versatile mounting options like ceiling and wall mounts, and it utilizes PoE for simplified installation and centralized management. Built with enterprise-grade security protocols—supporting WPA2, WPA3, and 802.1X—and managed on-premises, this access point ensures reliable performance and secure connectivity for demanding indoor wireless networks.

AIR-AP1840I-B-K9 price is $498.00, a 66.7% saving from the Cisco list price of $1,497.00. AIR-AP1840I-B-K9 is in stock and available for next-day dispatch. (terms applied)

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

AIR-AP1840I-B-K9 Specifications

Product Type: 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: Internal 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 / 802.1X
Compliance: FCC / CE / RoHS
Processor: N/A
Memory: N/A
Outdoor Use: No
Product Name: Cisco Aironet 1840 Indoor Access Point
Height: 1.4 inches
Width: 8.3 inches
Depth: 8.3 inches
Weight: 1.4 lbs

Quality Certifications

To get the detailed certification, please go to the Compliance Center.

Product Comparison Table

	AIR-AP1840I-B-K9	AIR-AP1840I-D-K9C	AIR-AP1840I-I-K9C	AIR-AP1840I-H-K9C	AIR-AP1840I-F-K9
Antenna Gain	N/A	3dBi	N/A	N/A	N/A
Antenna Type	Internal Omnidirectional	Omnidirectional	Internal Omnidirectional	Internal Omnidirectional	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	1.3Gbps	1Gbps	Up to 1.3Gbps	Up to 1.3Gbps	1.3Gbps
Depth	8.3 inches	N/A	9.44 inches	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	1.4 inches	N/A	1.73 inches	N/A	N/A
MIMO Technology	MU-MIMO	MU-MIMO	MU-MIMO	MU‑MIMO	MU-MIMO
Management Features	On-Premises	On-Premises / SNMP	On-Premises	On‑Premises / SNMP	On-Premises / SNMP
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-D-K9C	AIR-AP1840I-I-K9C	Cisco Aironet 1840 Indoor Access Point	AIR-AP1840I-F-K9
Product Type	Access Point	Wireless Access Point	Wireless Access Point	Wireless Access Point	Wireless Product
Protocols Supported	802.11a/b/g/n/ac	802.11a/b/g/n/ac / Ethernet	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 / WPA3 / 802.1X	WPA2 / WPA3 / 802.1X	WPA2 / WPA3 / 802.1X
Weight	1.4 lbs	N/A	2.2 lbs	N/A	N/A
Wi-Fi Standard	Wi-Fi 5	802.11a/b/g/n/ac	Wi-Fi 5	Wi‑Fi 5	Wi-Fi 5
Width	8.3 inches	N/A	9.44 inches	N/A	N/A
Wireless Type	Access Point	Access Point	Access Point	Access Point	Access Point
Wi‑Fi Standard

Reviews & Ratings

Ian Wallace

Excellent enterprise WiFi coverage with stable throughput.

James Prescott

Reliable AP1840I delivering predictable dual band performance.

Kevin Marshall

Smooth deployment and centralized configuration.

Leonard Hayes

Wave 2 speeds support demanding office applications.

Michael Reeves

Strong indoor signal and dependable uptime.

Nathan Clarke

Stable roaming and consistent connectivity.

Oliver Bennett

Professional grade access point suitable for mid size enterprises.

Questions & Answers

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

The Cisco Aironet AP1840I-B-K9 is a Wi-Fi 6 (802.11ax) indoor access point designed for high-density environments, delivering multi-gigabit performance and advanced RF features.

Which regulatory domain does the AP1840I-B-K9 support?

The AP1840I-B-K9 is factory-configured for the B regulatory domain (North America), ensuring compliance with local RF regulations.

What are the key features of the AP1840I-B-K9?

Key features include dual-band 4x4:4 MU-MIMO, OFDMA, Target Wake Time (TWT), Cisco CleanAir technology, integrated directional antennas, and Seamless Roaming.

Which Wi-Fi standard does the AP1840I-B-K9 support?

The AP1840I-B-K9 supports IEEE 802.11ax (Wi-Fi 6) with backward compatibility to 802.11ac/n/a/b/g standards.

Related Searches Cisco 1840 Access Points

AIR-AP1840I-B-K9C AIR-AP1840I-E-K9 AIR-AP1840I-Z-K9 AIR-AP1840I-H-K9 AIR-AP1840I-G-K9 AIR-AP1840I-F-K9 AIR-AP1840I-T-K9 AIR-AP1840I-I-K9

AIR-AP1840I-B-K9 Overview

AIR-AP1840I-B-K9 price is $498.00, a 66.7% saving from the Cisco list price of $1,497.00. AIR-AP1840I-B-K9 is in stock and available for next-day dispatch. (terms applied)

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

AIR-AP1840I-B-K9 Specifications

Product Type

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

Internal 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

Security Features

WPA2 / WPA3 / 802.1X

Compliance

FCC / CE / RoHS

Processor

N/A

Memory

N/A

Outdoor Use

Product Name

Cisco Aironet 1840 Indoor Access Point

Height

1.4 inches

Width

8.3 inches

Depth