| Product Type | Access Point |
| Model | CW9166D1-B |
| Family | Catalyst 9166 Series |
| Form Factor | Ceiling mountable, Wall mountable |
| Weight | 1.8 lbs (0.82 kg) |
| RAM / Total Installed Size | 2048 MB |
| Power Options | 802.3at PoE, Local Power Supply (optional, not included) |
| Power Consumption | Maximum 23.5W |
| Service & Support Type | Limited lifetime hardware warranty |
Cisco Catalyst 9166D1 AP Tri-band 4x4 MIMO XOR Reg-B

Key Benefits
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- Tri-band 4x4 MIMO architecture with Wi-Fi 6E support significantly improves coverage and capacity for demanding enterprise applications
- Dynamic XOR radio enables intelligent load balancing between 6 GHz and 5 GHz bands, enhancing user experience
- Limited lifetime warranty from Cisco ensures strong hardware support and long-term investment protection
Product Overview
The Cisco Catalyst 9166D1 AP offers tri-band 4x4 MIMO connectivity with support for Wi-Fi 6E (802.11ax) across 2.4 GHz, 5 GHz, and 6 GHz bands. This access point maximizes flexibility and performance, thanks to its dual-band XOR radio that reallocates capacity between 6 GHz and 5 GHz as needed. It's capable of 5 Gbps wireless throughput and includes Gigabit Ethernet port support with 2048 MB of RAM. Built for enterprise-grade deployments, it comes with limited lifetime hardware warranty from Cisco. The compact 9.5" x 9.5" form factor is ideal for high-density environments.
Specifications
Product Overview
Wireless Features
| Wi-Fi Standards | 802.11a/b/g/n/ac/ax (Wi-Fi 6E) |
| Wireless Frequency Bands | 2.4 GHz, 5 GHz, 6 GHz |
| MIMO Technology | 4x4 MU-MIMO |
| Radio Count | Tri-Radio (1 x 2.4 GHz, 2 x 5/6 GHz via XOR) |
| Dual-Band XOR Radio | Supports dynamic reallocation between 5GHz and 6GHz bands |
| Maximum PHY Data Rate | 5 Gbps aggregate |
| Antenna Type | Internal antennas |
| Antenna Gain | 2.2 dBi (2.4 GHz), 4.7 dBi (5 GHz), 5.2 dBi (6 GHz) |
| Modulation | OFDMA, 1024-QAM |
| Target Wake Time (TWT) | Supported |
| BSSID Support | 16 BSSIDs per radio |
Compliance & Origin
| Country of Origin | Inquire |
| Certifications | UL 60950-1, FCC Part 15.407, ICES-003, EN 301 489, ETSI EN 300 |
| TAA Compliance | Inquire |
| RoHS Compliance | Yes |
Advanced Security Features
| Wireless Security | WPA3, WPA2-Enterprise, 802.1X |
| Secure Boot | Supported |
| Trust Anchor Module (TAM) | Integrated |
| Encrypted Traffic Analytics | Supported |
| Cisco Umbrella Integration | Supported with proper licensing |
Interfaces
| Interface Types | 1 x 100/1000/2500/5000BASE-T (RJ-45), 1 x 10/100/1000BASE-T (RJ-45) Management, 1 x USB 2.0 |
| Networking / Ports Qty | 3 |
| Data Transfer Rate | 5 Gbps |
| Data Link Protocol | Gigabit Ethernet |
| Transport Protocol | Gigabit Ethernet |
Physical & Environmental
| Width | 9.5 in (241.3 mm) |
| Depth | 9.5 in (241.3 mm) |
| Height | 2.28 in (57.9 mm) |
| Mounting Options | Included: ceiling and wall mount brackets |
| 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 |
Cloud Management & Licensing
| Management Interface | Cisco Catalyst Center, Cisco DNA Center, Web UI, CLI, Cisco Meraki dashboard (on equivalent variants) |
| License Requirement | Cisco DNA Licensing Required (Essentials, Advantage, or Premier) |
| Included Cloud Features | Telemetry, Analytics, Performance Monitoring |