| Product Type | Wireless Access Point |
| Model | Catalyst 9166I (CW9166I-E) |
| Wireless Standard | Wi-Fi 6E (802.11ax) |
| Radio Configuration | Tri-band (2.4 GHz, 5 GHz, 6 GHz) |
| MIMO Configuration | 4x4 MU-MIMO |
| XOR Radio Technology | Yes |
| Concurrent Clients per Radio | Up to 200 |
| Max Data Throughput | 5.4 Gbps aggregate |
| CPU | Quad-core ARM processor |
| Memory | 1 GB DRAM |
| Storage | 256 MB Flash |
| Mounting Options | Ceiling mount, Wall mount |
| Power Options | 802.3at PoE, Cisco Power Injector (AIR-PWRINJ6) |
| Power Consumption | Up to 20.4W (with full functionality) |
| Weight | 1.6 lbs (0.73 kg) |
Cisco Catalyst 9166I AP W6E Tri-Band 4x4 XOR Reg-E

Key Benefits
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- Supports advanced tri-band 4x4 MIMO technology ideal for high-density enterprise environments
- TAA compliance ensures eligibility for U.S. government and institutional procurement
- Manufactured in multiple countries, offering supply chain flexibility and regulatory adaptability
Product Overview
The Cisco Catalyst 9166I Access Point (CW9166I-E) is designed to support high-performance wireless networking in enterprise environments. Featuring tri-band functionality with 4x4 MIMO and XOR radio technology, this AP ensures reliable connectivity and optimized bandwidth. It is TAA-compliant, manufactured in China or Mexico, and carries the Reg-E designation for regulatory compatibility. Ideal for dense office deployments or network scaling across locations, the Catalyst 9166I offers future-ready networking features.
Specifications
Product Overview
Wireless Features
| Operating Frequencies | 2.4 GHz, 5 GHz, 6 GHz |
| Wi-Fi Generation | Wi-Fi 6E |
| Antenna Configuration | Internal antennas |
| Spatial Streams | 4 spatial streams per radio |
| Beamforming | Yes |
| OFDMA Support | Uplink and Downlink |
| Target Wake Time (TWT) | Yes |
| BSS Coloring | Yes |
| Client Load Balancing | Yes |
Compliance & Origin
| TAA Compliance | Yes |
| Country of Origin | China / Mexico |
| Safety Certifications | UL 60950-1, IEC 60950-1, IEC 62368-1 |
| EMC Certifications | FCC Part 15.247, ICES-003, EN 301 489 |
| Environmental Compliance | RoHS, WEEE |
Advanced Security Features
| WPA Support | WPA3 and WPA2 |
| Secure Boot | Yes |
| Encrypted Traffic Analytics (ETA) | Yes |
| 802.1X Authentication | Yes |
| Rogue AP Detection | Yes |
| Trustworthy Systems Module | TPM 2.0 |
Interfaces
| Ethernet Ports | 1 x 5Gbps Multigigabit (mGig) Ethernet (RJ-45), 1 x 1Gbps Ethernet (RJ-45) |
| Ethernet Port Type | RJ-45 |
| Console Port | USB-C |
| Smart Antenna Port | N/A |
| PoE Support | 802.3at (PoE+) |
Physical & Environmental
| Dimensions (H x W x D) | 1.57 x 8.66 x 8.66 in (4.0 x 22.0 x 22.0 cm) |
| Operating Temperature | 32°F to 122°F (0°C to 50°C) |
| Storage Temperature | -22°F to 158°F (-30°C to 70°C) |
| Operating Humidity | 10% to 90% (non-condensing) |
| Storage Humidity | 5% to 90% (non-condensing) |
| Enclosure Type | Indoor, Plenum-rated |
Cloud Management & Licensing
| Cloud Management Support | Cisco Meraki Dashboard (via Catalyst 9166I CW models) |
| Controller Compatibility | Cisco Catalyst 9800 Series Wireless Controllers |
| License Required | Cisco DNA Licensing |
| Included License | License sold separately |
| Zero-Touch Provisioning | Yes |