C9120AXE-N - Cisco Catalyst 9120 WiFi 6 Access Point

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C9120AXE-N

C9120AXE-N - Cisco Catalyst 9120 WiFi 6 Access Point
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C9120AXE-N Overview

Cisco Catalyst 9120AX Series C9120AXE-N

Overview

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, N Domain.

Quick Specs

Product Code

C9120AXE-N

Description

Cisco Catalyst 9120AXE Series, N 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

N (N regulatory domain):

• 2.412 to 2.462 GHz; 11 channels

• 5.180 to 5.320 GHz; 8 channels

• 5.745 to 5.825 GHz; 5 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

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Specification

C9120AXE-N Specification

C9120AXE-N Specification

Description

Cisco Catalyst 9120AXE Series, N 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

N (N regulatory domain):

• 2.412 to 2.462 GHz; 11 channels

• 5.180 to 5.320 GHz; 8 channels

• 5.745 to 5.825 GHz; 5 channels

Frequently Asked Questions

What are the primary performance advantages of the Cisco C9120AXE-N in high-density environments? +
The C9120AXE-N leverages Wi-Fi 6 (802.11ax) technology, featuring 4x4 MU-MIMO with four spatial streams. This enables superior efficiency and throughput in crowded environments like lecture halls or conference centers. By utilizing OFDMA and BSS coloring, it significantly reduces latency and contention, ensuring consistent wireless performance for a high volume of connected clients compared to older 802.11ac wave 2 hardware.
Does the C9120AXE-N support external antennas, and what are the benefits? +
Yes, the 'E' in C9120AXE-N denotes that this model includes external antenna connectors. This allows for specialized deployment scenarios where you need to mount the access point in a location that requires specific coverage patterns, such as high ceilings, directional coverage for hallways, or areas where the signal must bypass physical obstructions using remote antennas for optimal RF performance.
How does the Cisco C9120AXE-N handle security for wireless traffic? +
Security is integrated at the hardware level with WPA3 support, providing enhanced encryption for wireless frames. Additionally, the C9120AXE-N integrates with Cisco’s CleanAir technology to detect and mitigate RF interference, while Cisco DNA Center provides deep visibility. This ensures your wireless fabric remains protected against unauthorized access and environmental threats, meeting the rigorous demands of modern enterprise security policies.
Can the C9120AXE-N be managed without an on-premises physical controller? +
Cisco Catalyst 9120AX series access points offer flexible management modes. You can deploy them in a traditional controller-based architecture, or utilize Cisco’s Embedded Wireless Controller on Catalyst Access Points. For cloud-centric environments, these units also integrate with Cisco DNA Center, allowing for centralized automation, orchestration, and policy management without requiring a dedicated appliance at every branch location.
What power requirements should I plan for when deploying the C9120AXE-N? +
To achieve full 4x4:4 performance, the C9120AXE-N requires 802.3at (PoE+) power. While it can operate under 802.3af (PoE) power, this may force the device into a reduced power mode, potentially limiting the number of active spatial streams or disabling certain radio features. We recommend utilizing a PoE+ capable switch to ensure the hardware operates at its full specifications.
Is the C9120AXE-N compatible with existing 802.11ac client devices? +
Absolutely. The Cisco C9120AXE-N is fully backward compatible with earlier Wi-Fi standards, including 802.11a/b/g/n/ac. The radio design ensures that legacy devices can still connect and communicate effectively while the access point prioritizes Wi-Fi 6 traffic. This makes it an ideal upgrade path for organizations looking to modernize their network fabric without forcing an immediate, complete replacement of all end-user mobile devices.
How does the flexible radio assignment work on the C9120AXE-N? +
The C9120AXE-N features a software-definable radio architecture. This allows the access point to intelligently assign radios to perform client serving on 2.4 GHz and 5 GHz, or dedicate a radio for dedicated security monitoring and interference detection. By automatically adjusting to real-time network conditions, the system optimizes radio resource management (RRM) to maintain peak performance across your entire wireless domain.
What is the physical mounting process for the C9120AXE-N in an indoor setting? +
This unit is designed for indoor deployment and typically mounts to drop-ceiling rails or flat wall surfaces using standard Cisco brackets. Since it utilizes external antennas, the installation process usually involves mounting the access point body in an accessible area while cabling the external antennas to specific mounting points to achieve the desired radio frequency distribution and coverage radius within your facility.
How can I obtain a bulk quote for the C9120AXE-N for a large enterprise project? +
For large-scale enterprise rollouts, BuyRouterSwitch.com provides dedicated procurement assistance. Simply add the required quantity of C9120AXE-N units to your inquiry or contact our sales team directly. We specialize in volume pricing for corporate and government infrastructure projects, ensuring you receive competitive institutional rates that align with your budgetary requirements and project scope.
Why should I choose BuyRouterSwitch.com for my Cisco infrastructure needs? +
When you purchase from BuyRouterSwitch.com, you are partnering with an experienced provider of genuine enterprise networking hardware. We focus on supply chain transparency and professional sourcing, ensuring that your C9120AXE-N units are authentic Cisco products. Our platform is built for IT buyers who prioritize reliable lead times, secure transaction processes, and accurate technical procurement to keep their network projects on track.

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