C9120AXE-B - Cisco Catalyst 9120 WiFi 6 Access Point

Mfr. Part #: C9120AXE-B
Brand: Cisco
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C9120AXE-B

C9120AXE-B - Cisco Catalyst 9120 WiFi 6 Access Point

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C9120AXE-B Overview

Cisco Catalyst 9120AX Series C9120AXE-B

Overview
C9120AXE-B Overview

Cisco C9120AXE-B, 100,1000,2500 Mbit/s, 2.4/5 GHz, IEEE 802.11a, IEEE 802.11ac, IEEE 802.11ax, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3,..., Multi User MIMO, AES, WPA2, WPA3, Grey

The Cisco® Catalyst® 9120 Series Access Points are the next generation of enterprise access points. They are resilient, secure, and intelligent. Wi-Fi 6; 4x4:4 MIMO, B Domain.

Quick Specs

Product Code

C9120AXE-B

Description

Cisco Catalyst 9120AXE Series, B Domain

Software

• Cisco Unified Wireless Network Software Release 8.9.x or later

• Cisco IOS® XE Software Release 16.11 with AP Device Pack, or later

Supported wireless LAN controllers

• Cisco Catalyst 9800 Series Wireless Controllers

• Cisco 3500, 5520, and 8540 Series Wireless Controllers and Cisco Virtual Wireless Controller

Dimensions (WxLxH)

8.5 x 8.05x 2.0" (21.6 x 21.6 x 5.1 cm)

System memory

• 2048 MB DRAM

• 1024 MB flash

Frequency band and 20-MHz operating channels

B (B regulatory domain):

• 2.412 to 2.462 GHz; 11 channels

• 5.180 to 5.320 GHz; 8 channels

• 5.500 to 5.700 GHz; 11 channels

• 5.745 to 5.865 GHz; 7 channels

Product Details

Cisco AP 9120 Series provides these features:

• Wi-Fi 6 (802.11ax)

• Cisco RF ASIC

• Uplink/downlink OFDMA

• MU-MIMO technology

• BSS coloring

• Target wake time

• Intelligent Capture

• Flexible Radio Assignment

• Dual 5-GHz radio support

• Smart antenna connector

• Cisco Mobility Express

• Multigigabit Ethernet support

• Bluetooth 5

• Container support for applications

• Apple Features

Supported Platforms

Supported wireless LAN controllers and Software

Recommended Model

Cisco 3500 Series Wireless Controllers

AIR-CT3504-K9

Cisco 5520 Series Wireless Controllers

AIR-CT5520-K9

Cisco 8540 Series Wireless Controllers

AIR-CT8540-K9

AIR-CT8540-1K-K9

Cisco 9800 series Wireless Controllers

C9800-40-K9

C9800-80-K9

Cisco Virtual Wireless Controller

/

Cisco Unified Wireless Network Software Release 8.9 or later

/

Cisco IOS ® XE Software Release 16.11 or later

/

Compare to Similar Items

Product Code

Description

C9120AXE-A

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, A Domain

C9120AXE-B

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, B Domain

C9120AXE-D

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, D Domain

C9120AXE-E

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, E Domain

C9120AXE-F

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, F Domain

C9120AXE-G

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, G Domain

C9120AXE-H

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, H Domain

C9120AXE-I

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, I Domain

C9120AXE-K

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, K Domain

C9120AXE-N

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, N Domain

C9120AXE-Q

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, Q Domain

C9120AXE-R

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, R Domain

C9120AXE-S

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, S Domain

C9120AXE-T

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, T Domain

C9120AXE-Z

Cisco Catalyst 9120AXE Access Point, internal antennas; Wi-Fi 6; 4x4:4 MIMO, Z Domain

Catalyst 9120E Access Point: Indoor, challenging environments, with external antennas, regulatory domain B

  • 2.4 GHz
  • 5 GHz
  • IEEE 802.11a, IEEE 802.11ac, IEEE 802.11ax, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3, IEEE 802.3ab, IEEE 802.3af, IEEE 802.3at
  • AES, WPA2, WPA3
  • Power over Ethernet (PoE)
  • External

Summary Description

Cisco C9120AXE-B, 100,1000,2500 Mbit/s, 2.4/5 GHz, IEEE 802.11a, IEEE 802.11ac, IEEE 802.11ax, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.3,..., Multi User MIMO, AES, WPA2, WPA3, Grey

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Specification

C9120AXE-B Specification

C9120AXE-B Specification

Description

Cisco Catalyst 9120AXE Series, B Domain

Software

• Cisco Unified Wireless Network Software Release 8.9.x or later

• Cisco IOS® XE Software Release 16.11 with AP Device Pack, or later

Supported wireless LAN controllers

• Cisco Catalyst 9800 Series Wireless Controllers

• Cisco 3500, 5520, and 8540 Series Wireless Controllers and Cisco Virtual Wireless Controller

802.11n version 2.0 (and related) capabilities

• 4x4 MIMO with four spatial streams

• Maximal Ratio Combining (MRC)

• 802.11n and 802.11a/g beamforming

• 20- and 40-MHz channels

• PHY data rates up to 890 Mbps (40 MHz with 5 GHz and 20 MHz with 2.4 GHz)

• Packet aggregation: A-MPDU (transmit and receive), A-MSDU (transmit and receive)

• 802.11 Dynamic Frequency Selection (DFS)

• Cyclic Shift Diversity (CSD) support

802.11ac

• 4x4 downlink MU-MIMO with four spatial streams

• MRC

• 802.11ac beamforming

• 20-, 40-, 80-, and 160-MHz channels

• PHY data rates up to 3.47 Gbps (160 MHz with 5 GHz)

• Packet aggregation: A-MPDU (transmit and receive), A-MSDU (transmit and receive)

• 802.11 DFS

• CSD support

802.11ax

• 4x4 downlink MU-MIMO with four spatial streams

• Uplink/downlink OFDMA

• TWT

• BSS coloring

• MRC

• 802.11ax beamforming

• 20-, 40-, 80-, and 160-MHz channels

• PHY data rates up to 5.38 Gbps (160 MHz with 5 GHz and 20 MHz with 2.4 GHz)

• Packet aggregation: A-MPDU (transmit and receive), A-MSDU (transmit and receive)

• 802.11 DFS

• CSD support

Integrated antenna

Flexible radio (either on 2.4GHz or on 5GHz)

• 2.4 GHz, peak gain 4 dBi, internal antenna, omnidirectional in azimuth

• 5 GHz, peak gain 5 dBi, internal antenna, omnidirectional in azimuth

Dedicated 5GHz radio

• 5 GHz, peak gain 4 dBi, internal antenna, omnidirectional in azimuth

External antenna (sold separately)

• Cisco Catalyst 9120E Access Points are certified for use with antenna gains up to 6 dBi (2.4 GHz and 5 GHz)

• Cisco Catalyst 9120P Access Points) are certified for use with antenna gains up to 13 dBi (2.4 GHz and 5 GHz)

with the AIR-ANT2513-P4M-N= antenna

• Cisco offers the industry's broadest selection of antennas, delivering optimal coverage for a variety of

deployment scenarios

• Supports Self-Identifiable Antennas (SIA) on one RP-TNC port

Smart Antenna Connector

• Available on the 9120E and on the 9120P only

• Compact multi RF connector with DART interface

• Requires the AIR-CAB002-DART-R= 2 ft smart antenna connector when used with antennas with RP-TNC

connector

• Required when running the flexible radio as either a second 5-GHz serving radio or a Wireless Security

Monitoring radio

Interfaces

• 1x 100, 1000, 2500 Multigigabit Ethernet (RJ-45)IEEE 802.3bz

• Management console port (RJ-45)

• USB 2.0 @ 3.75W (enabled via future software)

Indicators

• Status LED indicates boot loader status, association status, operating status, boot loader warnings, and boot loader errors

Dimensions (W x L x H)

• Access point (without mounting brackets): C9120I: 8.5 x 8.5 x 1.7" (21.6 x 21.6 x 4.3 cm), C9120E and

C9120P: 8.5 x 8.05x 2.0" (21.6 x 21.6 x 5.1 cm)

Input power requirements

• 802.3at Power over Ethernet Plus (PoE+), 802.3bt Cisco Universal PoE (Cisco UPOE+, Cisco UPOE®)

• Cisco power injector, AIR-PWRINJ6=

• 802.3af PoE

• Cisco power injector, AIR-PWRINJ5= (Note: This injector supports only 802.3af)

Environmental

Cisco Catalyst 9120AXI

• Nonoperating (storage) temperature: -22° to 158°F (-30° to 70°C)

• Nonoperating (storage) altitude test: 25˚C, 15,000 ft.

• Operating temperature: 32° to 122°F (0° to 50°C)

• Operating humidity: 10% to 90% (noncondensing)

• Operating altitude test: 40˚C, 9843 ft.

Note: When the ambient operating temperature exceeds 40°C, the access point will shift from 4x4 to

2x2 on both the 2.4-GHz and 5-GHz radios, uplink Ethernet will downgrade to 1 Gigabit Ethernet;

however, the USB interface will remain enabled

Cisco Catalyst 9120AXE and 9120AXP

• Nonoperating (storage) temperature: -22° to 158°F (-30° to 70°C)

• Nonoperating (storage) altitude test: 25˚C, 15,000 ft.

• Operating temperature: -4° to 122°F (-20° to 50°C)

• Operating humidity: 10% to 90% (noncondensing)

• Operating altitude test: 40˚C, 9843 ft.

System memory

• 2048 MB DRAM

• 1024 MB flash

Warranty

Limited lifetime hardware warranty

Available transmit power settings

2.4 GHz

• 23 dBm (200 mW)

• 20 dBm (100 mW)

• 17 dBm (50 mW)

• 14 dBm (25 mW)

• 11 dBm (12.5 mW)

• 8 dBm (6.25 mW)

• 5 dBm (3.13 mW)

• 2 dBm (1.56 mW)

• -1dBm (0.79mW)

• -4dBm(0.39mW)

5 GHz

• 26 dBm (400 mW)

• 23 dBm (200 mW)

• 20 dBm (100 mW)

• 17 dBm (50 mW)

• 14 dBm (25 mW)

• 11 dBm (12.5 mW)

• 8 dBm (6.25 mW)

• 5 dBm (3.13 mW)

• 2 dBm (1.56 mW)

• -1dBm (0.79mW)

Frequency band and 20-MHz operating channels

B (B regulatory domain):

• 2.412 to 2.462 GHz; 11 channels

• 5.180 to 5.320 GHz; 8 channels

• 5.500 to 5.700 GHz; 11 channels

• 5.745 to 5.865 GHz; 7 channels

Frequently Asked Questions

What are the primary performance benefits of the Cisco Catalyst 9120AXE-B? +
The C9120AXE-B is built on the Wi-Fi 6 (802.11ax) standard, offering significantly improved capacity and efficiency in high-density environments. It features 4x4 MU-MIMO with four spatial streams, allowing it to handle multiple client devices simultaneously while reducing latency. This ensures robust throughput for bandwidth-intensive applications and seamless connectivity across enterprise wireless networks.
Does the C9120AXE-B support external antennas? +
Yes, the 'E' in the product SKU signifies that this model is designed for use with external antennas. This flexibility is ideal for deployment scenarios where you need to mount the access point in an enclosure or require specific antenna patterns to provide coverage in challenging RF environments, such as high ceilings or warehouses with significant metal obstructions.
What is the specific regulatory domain for the C9120AXE-B? +
The '-B' regulatory domain suffix indicates this model is specifically configured for use within the United States. Ensure your deployment location matches this domain, as radio frequency regulations vary by region. Using the correct regulatory SKU is critical for legal compliance and optimal operation of the wireless radio channels as defined by local communications authorities.
Can the Cisco C9120AXE-B be managed through the Cisco DNA Center? +
Absolutely. This access point is fully compatible with Cisco DNA Center, which provides software-defined access, comprehensive analytics, and automated management. By integrating this hardware with the Cisco DNA architecture, network administrators can gain deeper visibility into client performance, streamline policy enforcement, and simplify day-to-day operations across their entire wireless infrastructure.
What power requirements should I plan for when deploying the C9120AXE-B? +
This device is IEEE 802.3at (PoE+) compliant. To achieve full feature functionality, including all spatial streams and auxiliary interfaces, we recommend utilizing a PoE+ switch or a high-capacity power injector. While it may operate under lower-power modes with standard PoE (802.3af), features like USB or auxiliary radios may be restricted or disabled depending on the power budget available.
How does the C9120AXE-B handle security in enterprise environments? +
Security is prioritized through support for WPA3, the latest Wi-Fi security standard, alongside Cisco’s Encrypted Traffic Analytics and hardware-based Trust Anchor module. These features provide secure boot, image signing, and runtime defenses, ensuring that your network remains protected against sophisticated threats while maintaining high performance for authenticated users and sensitive enterprise data.
Is the C9120AXE-B compatible with older wireless standards? +
The C9120AXE-B maintains full backward compatibility with previous Wi-Fi standards, including 802.11ac Wave 2 and earlier legacy clients. While it utilizes the advanced capabilities of 802.11ax, it intelligently manages connections for older devices, ensuring they can still access the network without compromising the overall efficiency or performance of the Wi-Fi 6 clients on your network.
What is the role of the dedicated radio on this access point? +
The C9120AXE-B includes a dedicated radio for Cisco CleanAir technology and Wireless Intrusion Prevention System (WIPS) capabilities. This third radio constantly scans the RF environment to identify and mitigate interference from non-Wi-Fi sources, as well as detecting potential rogue access points or security threats, allowing the primary radios to focus entirely on client data transmission.
Can I request a bulk quote for multiple C9120AXE-B units? +
Yes, BuyRouterSwitch.com specializes in large-scale infrastructure procurement. If you are planning an enterprise-wide refresh or need a high volume of C9120AXE-B units for a new deployment, please contact our sales team directly. We provide competitive bulk pricing tailored to the size of your project to ensure you receive the best value for your networking budget.
Why should I choose BuyRouterSwitch.com for my Cisco hardware needs? +
When you purchase from BuyRouterSwitch.com, you are choosing a partner dedicated to providing authentic Cisco hardware. We maintain a streamlined procurement process that ensures your orders are processed securely and delivered efficiently. Our team is focused on helping IT professionals secure the exact configurations they need, making us a trusted source for your critical enterprise networking requirements.

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