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C9120AXE-S external model delivers strong Wi-Fi 6 performance and IoT readiness.
C9120AXE-S
C9120AX EXTERNAL 802.11AX 4X4:4 MIMO IOT BT5 MGIG USB RHL
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C9120AXE-S
- Description:
- C9120AX EXTERNAL 802.11AX 4X4:4 MIMO IOT BT5 MGIG USB RHL
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Added to cart 28 times recently
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In stock - Ready to Ship
- Brand:
- Cisco
- GTIN:
- 889728227636
- Condition:
- Warranty:
- 3
- List Price:
$2,277.00
- Price:
$1,165.0048.8% off
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1
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C9120AXE-S Overview
C9120AXE-S is a high-performance wireless access point that supports the latest Wi‑Fi 6 and Wi‑Fi 6E standards, operating seamlessly across 2.4GHz, 5GHz, and 6GHz frequency bands. Designed for enterprise environments, this access point delivers data rates up to 5Gbps, leveraging advanced features such as MU‑MIMO and beamforming to ensure reliable, high-speed connectivity even in high‑density deployments.
Engineered for versatility and ease of installation, the C9120AXE-S supports ceiling and wall mounting, making it ideal for large offices, campuses, and other indoor commercial spaces. It offers essential connectivity with a built‑in Gigabit Ethernet port and PoE power supply, ensuring streamlined integration into existing networks while maintaining compliance with industry standards such as FCC, CE, and RoHS.
C9120AXE-S price is $1,165.00, a 48.8% saving from the Cisco list price of $2,277.00. C9120AXE-S is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for C9120AXE-S for additional pricing. Browse the full Catalyst 9120 Ap series or explore all Cisco products.
C9120AXE-S Specifications
- Product Type
- Wireless Access Point
- Wireless Type
- Access Point
- Wi-Fi Standard
- Wi-Fi 6 / Wi-Fi 6E
- Frequency Bands
- 2.4GHz / 5GHz / 6GHz
- Data Rate
- Up to 5Gbps
- 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/ax
- Management Features
- Cloud Management / On-Premises / SNMP
- Security Features
- WPA2 / WPA3 / 802.1X / VPN
- Compliance
- FCC / CE / RoHS
- Processor
- N/A
- Memory
- N/A
- Outdoor Use
- No
- Product Name
- Cisco Catalyst C9120AXE-S Wireless Access Point
- 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 
| C9120AXE-S |  C9120AXE-T |  C9120AXI-F |  C9120AXI-T |  C9120AXE-Z | |
|---|---|---|---|---|---|
| Antenna Gain | N/A | N/A | N/A | N/A | N/A |
| Antenna Type | Internal Omnidirectional | Omnidirectional | Omnidirectional | 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 | Up to 5Gbps | 5Gbps | Up to 5Gbps | Up to 5Gbps | Up to 5Gbps |
| Depth | N/A | N/A | 7.7 inches | N/A | 9.13 inches |
| Ethernet Port | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x 2.5GbE |
| Frequency Bands | 2.4GHz / 5GHz / 6GHz | Tri-Band (2.4GHz, 5GHz, 6GHz) | 2.4GHz / 5GHz | 2.4GHz, 5GHz | 2.4GHz / 5GHz / 6GHz |
| Height | N/A | N/A | 1.7 inches | N/A | 1.05 inches |
| MIMO Technology | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO |
| Management Features | Cloud Management / On-Premises / SNMP | On-Premises, SNMP | Cloud Management / On-Premises / SNMP | Cloud Management, On-Premises, SNMP | Cloud Management / On-Premises / SNMP |
| Max Number of Devices Supported | N/A | N/A | N/A | N/A | 512 |
| 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 Catalyst C9120AXE-S Wireless Access Point | Cisco Catalyst C9120AXE-T Wireless Access Point | Cisco Catalyst 9120AXI-F Wireless Access Point | Cisco Catalyst 9120AXI-T Wireless Access Point | Cisco Catalyst C9120AXE-Z Wireless Access Point |
| Product Type | Wireless Access Point | Wireless Access Point | Wireless Product | Wireless Access Point | Wireless Access Point |
| Protocols Supported | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n/ac/ax, Ethernet | 802.11a/b/g/n/ac/ax |
| Security Features | WPA2 / WPA3 / 802.1X / VPN | WPA2, WPA3, 802.1X | WPA2 / WPA3 / 802.1X | WPA2, WPA3, 802.1X, VPN | WPA2 / WPA3 / 802.1X / VPN |
| Weight | N/A | N/A | 3.1 lbs | N/A | 3.17 lbs |
| Wi-Fi Standard | Wi-Fi 6 / Wi-Fi 6E | Wi-Fi 6E | Wi-Fi 6 | Wi-Fi 6 | Wi-Fi 6E |
| Width | N/A | N/A | 9.0 inches | N/A | 9.13 inches |
| Wireless Type | Access Point | Access Point | Access Point | Access Point | Access Point |
| Wi‑Fi Standard |
Reviews & Ratings
W
Warren Blake
4
Reliable coverage with stable multi-gig support.
X
Xavier Morris
5
Professional AP for high-demand enterprise networks.
Y
Yale Prescott
5
Consistent signal strength in large facilities.
Z
Zachary Walsh
5
Efficient performance under heavy traffic loads.
A
Adam Whitlock
5
Dependable wireless solution for growing campuses.
Questions & Answers
What is the Cisco Catalyst C9120AXE-S external 802.11ax radio and what are its key features?
The C9120AXE-S is an external Wi-Fi 6 (802.11ax) radio module offering 4x4:4 MU-MIMO, integrated Bluetooth 5.0 IoT, 2.5 Gbps multi-gig Ethernet, and USB connectivity via Radio Host Link (RHL).
Which Wi-Fi standard does the C9120AXE-S support?
The C9120AXE-S supports the IEEE 802.11ax standard (Wi-Fi 6), delivering improved throughput, spectral efficiency, and capacity in dense deployments.
How does 4x4:4 MIMO enhance wireless performance?
4x4:4 MIMO uses four transmit and four receive spatial streams to increase aggregate throughput, reduce congestion, and boost link reliability in high-density environments.
Does the C9120AXE-S support MU-MIMO for simultaneous client connectivity?
Yes, it supports downlink and uplink MU-MIMO, enabling the radio to communicate with multiple clients concurrently for higher network efficiency.
What IoT capabilities does Bluetooth 5.0 integration provide?
Bluetooth 5.0 offers extended range, higher data rates, and low-energy connectivity for location services, asset tracking, and smart-facility IoT sensors.
What is the multi-gigabit Ethernet (MGig) feature on C9120AXE-S?
MGig uplink supports up to 2.5 Gbps on a single RJ-45 port, eliminating bandwidth bottlenecks and future-proofing for high-density, high-throughput applications.
What is Radio Host Link (RHL) and how does the C9120AXE-S use it?
RHL is a dedicated interface that carries power, data, and USB over a single cable from a host AP to the external radio, simplifying deployment and cable management.
Which Cisco access point hosts are compatible with the C9120AXE-S?
It is compatible with Cisco Catalyst 9120AX and 9115AX series indoor access points that support external radios via the RHL interface.
How do I install the C9120AXE-S external radio?
Mount the radio in your desired location, connect the RHL cable to the host AP, attach the MGig Ethernet link, and confirm connectivity via Cisco DNA Center or CLI.
What is the maximum aggregated throughput of the C9120AXE-S?
The radio delivers up to 4.8 Gbps of aggregated PHY rate across both 2.4 GHz and 5 GHz bands under optimal conditions.
Does the C9120AXE-S support WPA3 security protocols?
Yes, it supports WPA3-Personal and WPA3-Enterprise, delivering enhanced encryption and secure authentication for modern wireless security compliance.
Can I manage the C9120AXE-S with Cisco DNA Center?
Absolutely. The C9120AXE-S integrates seamlessly with Cisco DNA Center for centralized provisioning, policy enforcement, and real-time monitoring.
What are the physical dimensions and power requirements?
The C9120AXE-S measures 195 mm x 195 mm x 45 mm, weighs 0.75 kg, and draws power via RHL from the host AP—no separate PoE injector is required.
Which deployment environments are ideal for the C9120AXE-S?
Ideal for high-density indoor spaces—such as offices, auditoriums, and campuses—requiring scalable Wi-Fi 6 performance and integrated IoT services.
How does USB connectivity benefit the C9120AXE-S?
The USB interface enables direct connectivity for BLE beacons and IoT dongles, minimizing cabling and extending device support through the host AP.
What warranty and support options are available for the C9120AXE-S?
Cisco offers a limited lifetime hardware warranty and optional SMARTnet support for software updates, 24/7 access to TAC, and advanced hardware replacement.