Brand: Cisco | Category: Wireless Access Points
SKU: CW9166I-E | Part #: C9166I-E | MPN: C9166I-E
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The Cisco Catalyst 9166I WiFi 6E Tri-Radio Access Point delivers up to 7.779 Gbps aggregate radio rate, positioning this device as a high-performance enterprise-grade wireless solution for organizations demanding next-generation connectivity. Built on the Cisco Catalyst 9100 Series platform, the C9166I-E model supports IEEE 802.11a/b/g/n/ac/ax standards across three concurrent frequency bands: 2.4 GHz, 5 GHz, and 6 GHz. The tri-band architecture includes one dedicated radio per band plus an additional scanning radio, enabling simultaneous multi-band operation. The 2.4 GHz radio achieves up to 575 Mbps with 2x2:2 spatial streams, while both the 5 GHz and 6 GHz radios deliver up to 4.8 Gbps each with 4x4:4 spatial streams. All radios operate on 802.11ax technology, ensuring compatibility with the latest Wi-Fi 6E client devices.
Network engineers and IT procurement teams select the Catalyst 9166I for dense enterprise environments where spectrum efficiency, capacity, and device density matter. The access point features internal integrated antennas, reducing deployment complexity in ceiling-mount indoor installations. Connectivity is handled through one mGig uplink supporting 100 Mbps, 1 Gbps, or 2.5 Gbps operation, plus one secondary 1 Gbps Ethernet port, allowing flexible network integration. Power delivery requires 802.3bt PoE++ for full tri-radio operation. The device integrates Bluetooth 5.0, Zigbee, and Thread support via a dedicated IoT radio, enabling seamless convergence of enterprise WiFi with IoT ecosystems. A single USB 2.0 Type-A port and one USB 2.0 connection support auxiliary functions. Deployment flexibility spans centralized WLC architectures, Embedded Wireless Controller mode, and Cisco Catalyst Center management on cloud or on-premises infrastructure.
Security is embedded throughout, with WPA3 encryption, 802.1X authentication, MACsec protection on the uplink, and Management Frame Protection ensuring robust access control and threat mitigation. The unit operates reliably across 0°C to 40°C ambient conditions, meeting global enterprise standards. Organizations requiring high-capacity, multi-band wireless infrastructure for campus, hospitality, or healthcare deployments should evaluate the Cisco Catalyst 9166I (part number C9166I-E) for immediate deployment. Contact Omnixon Global to request a quotation.
| Brand | Cisco |
| Category | Wireless Access Points |
| SKU | CW9166I-E |
| Part Number | C9166I-E |
| Condition | New |
| Interface | Wi-Fi 6E |
| Product Line | Cisco Catalyst 9100 Series |
| Model | Catalyst 9166I |
| Radio Standards | IEEE 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
| Frequency Bands | 2.4 GHz, 5 GHz, 6 GHz (tri-band concurrent) |
| Number of Radios | 3 (one per band) plus a dedicated scanning radio |
| Maximum Aggregate Radio Rate | Up to 7.779 Gbps |
| 2.4 GHz Radio | 802.11ax, up to 575 Mbps |
| 5 GHz Radio | 802.11ax, up to 4.8 Gbps |
| 6 GHz Radio | 802.11ax, up to 4.8 Gbps |
| Spatial Streams | 2x2:2 (2.4 GHz), 4x4:4 (5 GHz), 4x4:4 (6 GHz) |
| Antenna Type | Internal integrated antennas |
| PoE Input | 802.3bt (PoE++) required for full tri-radio operation |
| Ethernet Uplink | 1 x mGig (100 Mbps / 1 Gbps / 2.5 Gbps) + 1 x 1 Gbps secondary |
| USB Port | 1 x USB 2.0 Type-A |
| Bluetooth / IoT Radio | Bluetooth 5.0 / Zigbee / Thread via integrated IoT radio |
| Deployment Modes | Centralized (WLC), Embedded Wireless Controller (EWC), Cisco Catalyst Center (cloud/on-prem management) |
| Security | WPA3, 802.1X, MACsec on uplink, Management Frame Protection (MFP) |
| Form Factor | Indoor ceiling mount |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) |
The Cisco Catalyst 9166I WiFi 6E Tri-Radio Access Point is enterprise networking hardware for data-center, campus, and branch deployments. Common roles include core/distribution switching, server uplinks, top-of-rack fabric, and edge connectivity in mixed Cisco/Juniper/Arista environments.
Key specifications for the Cisco Catalyst 9166I WiFi 6E Tri-Radio Access Point: new condition; brand Cisco; series Catalyst 9100; model CW9166I-E; wifi standard WiFi 6E (802.11ax); max speed 7.8 Gbps aggregate; mimo 4x4:4 (5GHz/6GHz). Manufacturer part number CW9166I-E. For the full datasheet with electrical, environmental, and compliance details, contact our pre-sales engineering team.
The Cisco Catalyst 9166I WiFi 6E Tri-Radio Access Point interoperates with standard switching protocols (LACP, MLAG/VPC, 802.1Q, OSPF/BGP). For specific cross-vendor scenarios — Cisco-to-Arista MLAG peering, fabric integration with Cumulus/SONiC, or migration from legacy Catalyst — our network engineers map a compatibility plan as part of the RFQ.