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 |