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Cisco Catalyst 9120AXI-E Wireless Access Point, Wi-Fi 6, 4x4 Dual 5GHz Radio, CleanAir with Cisco RF ASIC, MU-MIMO, PoE, Internal antenna (C9120AXI-E)

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Cisco Embedded Wireless Controller on Catalyst Access Points: Indoor, challenging environments, with external antennas When the controller is maintaining join-related information for the maximum number of access points, it does not collect information for any more access points. Field Notice: FN-63942 APs and WLCs Fail to Create CAPWAP Connections Due to Certificate Expiration When you power up the access point, it begins a power-up sequence that you can verify by observing the access point LED. If the power-up sequence is successful, the discovery and join process begins. During this process, the LED blinks sequentially green, red, and off. When the access point has joined a controller, the LED is chirping green if no clients are associated or green if one or more clients are associated. OFDMA-based scheduling splits the bandwidth into smaller frequency allocations called Resource Units (RUs), which can be assigned to individual clients in both the downlink and uplink directions to reduce overhead and latency.

The Cisco Catalyst 9105 Series Access Points come with a limited lifetime warranty that provides full warranty coverage of the hardware for as long as the original end user continues to own or use the product. The warranty includes 10-day advance hardware replacement and ensures that software media are defect-free for 90 days. For more details, visit https://www.cisco.com/go/warranty. An intelligent second physical antenna connector is included on 9120AX Series access points with an external antenna. This connector provides advanced network design flexibility for high-density and large open-area environments such as auditoriums, convention centers, libraries, cafeterias, and arenas/stadiums, allowing two sets of antennas to be connected and active on a single access point.Application Hosting on Catalyst 9100 Access: Application Hosting on Catalyst 9100 Access Points helps future-proof and simplify IoT deployments by eliminating the need to install and manage overlay networks. Utilizing the USB interface, containerized applications and hardware modules can be deployed to reduce cost and complexity. Adding Cisco DNA Center provides workflows and deployment-wide application lifecycle management.

At the center of the collaboration is a unique handshake between the Cisco WLAN and Apple devices. This handshake enables the Cisco WLAN to provide an optimal Wi-Fi roaming experience to Apple devices. Additionally, the Cisco WLAN trusts Apple devices and gives priority treatment for business-critical applications specified by the Apple device. This feature is also known as Fast Lane. FCC Bulletin 65: Evaluating Compliance with the FCC guidelines for Human Exposure to Radio Frequency Electromagnetic Fields The majority of your IT budget and most of your workloads are focused on routine maintenance, limiting your ability to innovate and grow your business.Field Notice: FN-70479 Out-Of-The-Box AP Fails to Join WLC or Joins with Single Radio due to Country Mismatch - RMA required Supporting four spatial streams, MU-MIMO enables access point to split spatial streams between client devices, to maximise throughput. EAP-Tunneled TLS (TTLS) or Microsoft Challenge Handshake Authentication Protocol Version 2 (MSCHAPv2)

The Catalyst 9120 contains a Flexible Radio Architecture (FRA). In a sense, the AP is a tri-band radio as it contains a dedicated 5-GHz radio to serve clients and another flexible radio (known as an XOR radio) that can be assigned different functions within the network. The flexible radio is similar to the previous XOR radio used in the Cisco Aironet AP-2800 and 3800 Series and is able to be configured to serve clients in either 2.4 or 5 GHz or serially scan both 2.4 and 5 GHz on the flexible radio while the main 5-GHz radio serves clients. Field Notice: FN72424 - Later Versions of Some Wi-Fi 6 Access Points Fail to Join the WLAN Controller - Software Upgrade Recommended 29-Sep-2023 Wi-Fi 6 (802.11ax): The IEEE 802.11ax emerging standard, also known as High-Efficiency-Wireless (HEW) or Wi-Fi 6, builds on 802.11ac. It delivers a better experience in typical environments with more predictable performance for advanced applications such as 4K or 8K video, high-density, high-definition collaboration apps, all-wireless offices, and IoT. Wi-Fi 6 is designed to use both the 2.4-GHz and 5-GHz bands, unlike the 802.11ac standard. An existing access point running software release 8.2.110.0 or later has been reset after clearing the configuration. Whenever practical or possible, please keep antenna cable runs as short as possible. Cisco offers Low Loss (LL) and ultralow loss (ULL) cables, which have the same characteristics as Times Microwave LMR-400 and LMR-600.

Standard Warranty: Limited Lifetime

Dual 5-GHz mode: Both radios inside the access point operate on the 5-GHz band, maximising the benefits of WiFi 6 by allowing an industry-leading 5.2 Gbps (2 x 2.6 Gbps) over-the-air speeds while increasing client device capacity.

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