The Cisco Catalyst 9120AXI-B is an enterprise Wi-Fi 6 (802.11ax) indoor access point with internal antennas and Multigig (2.5 GbE) uplink. It combines Cisco’s RF ASIC (CleanAir), Flexible Radio Assignment (including optional dual-5 GHz), and centralized control with Cisco DNA/Catalyst 9800 or the on-AP Embedded Wireless Controller for simple, scalable deployments.
Key Features
- Wi-Fi 6 features: OFDMA, MU-MIMO (4 spatial streams), BSS Coloring, Target Wake Time for efficiency and density. Cisco
- Flexible Radio Assignment: run 2.4+5 GHz or dual 5 GHz; over-the-air speeds up to 5.2 Gbps in dual-5 mode. Cisco
- 2.5 GbE (802.3bz) Multigig uplink; works on Cat5e; RJ-45 console and USB 2.0 (4.5 W). Cisco
- Integrated RF ASIC with Cisco CleanAir, wIPS, DFS detection; supports Intelligent Capture analytics. Cisco
- Embedded Wireless Controller (EWC) option available on 9120AXI SKUs. Cisco
- Bluetooth Low Energy 5 radio for IoT/location use cases. Cisco
Performance
- 4×4:4 on both client-serving radios (with 802.3at power); PHY rates up to 5.38 Gbps (160 MHz @ 5 GHz + 20 MHz @ 2.4 GHz). Cisco
- Dual-5 GHz option increases client capacity in high-density areas. Cisco
- System memory: 2 GB DRAM, 1 GB flash. Cisco
Why choose ?
Managed by Cisco Catalyst 9800 controllers or Cisco DNA Center; supports Secure Boot, image signing, and Trust Anchor technologies
Ideal For
- High-density offices and campuses
- Education, healthcare, hospitality
- Retail floors and venues needing dual-5 GHz capacity
- IoT-ready sites leveraging BLE 5 beacons








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