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Cisco Catalyst C9120AXI-H-K9: 5.4 Gbps Aggregate Throughput, 4x4:4 MU-MIMO, 2.5G Uplink, and RF ASIC for High-Density Enterprise Deployments
Product Overview
The Cisco Catalyst C9120AXI-H-K9 is an enterprise-grade Wi-Fi 6 (802.11ax) dual-band access point tailored for medium-to-high density enterprise deployments, including campuses, branch offices, conference centers and large office spaces. Equipped with integrated ceiling-mount antennas, it delivers a total aggregate throughput of 5.4 Gbps. Featuring 4x4:4 MU-MIMO on both 2.4 GHz and 5 GHz bands, it supports up to 1024 concurrent clients. Built with dedicated RF ASIC chip and Cisco CleanAir technology, it ensures stable, high-efficiency wireless performance in complex RF environments.
Key Features
Compliant with the 802.11ax Wi-Fi 6 standard, the AP delivers 4 times higher capacity and lower latency than legacy Wi-Fi standards. It supports uplink and downlink OFDMA scheduling, BSS coloring and optimized roaming to maximize channel utilization for dense client scenarios. The independent RF ASIC runs real-time spectrum scanning, RRM and interference mitigation without disrupting ongoing client services. Integrated Cross-AP Noise Reduction optimizes network signal stability, while Target Wake Time effectively reduces power consumption for IoT terminals.
It adopts enterprise-grade security mechanisms including WPA3 encryption, secure boot and firmware image signing. With a 2.5G Ethernet uplink port, it eliminates bandwidth bottlenecks for multi-user high-throughput transmission. Certified UL 2043 plenum-rated, it supports safe ceiling installation for commercial and medical environments.
Deployment & Specifications
The AP requires 802.3at PoE+ for full 4x4:4 performance, while 802.3af PoE is supported with downgraded specifications. It supports multiple working modes including Local, FlexConnect, Monitor and Sniffer, compatible with Cisco wireless controllers and Catalyst Center for unified management, DNA analytics and ISE integration. Ideal for large enterprises, education and healthcare scenarios, the C9120AXI-H-K9 offers reliable, future-proof mid-range Wi-Fi 6 performance with a limited lifetime hardware warranty.
Hongkun Technology is a privately held organisation with its headquarter in Beiijing, China and we have been providing our services for end to end ICT solutions, development of commercial grade software products and applications to new, emerging and established technology companies & ICT enabled... Hongkun Technology is a privately held organisation with its headquarter in Beiijing, China and we have been providing our services for end to end ICT solutions, development of commercial grade software products and applications to new, emerging and established technology companies & ICT enabled...
