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Cisco CW9166D1-E Catalyst 9166D1 Tri-Band Wi-Fi 6E Access Point - 7. 78 Gbit/s - 5GbE - PoE - Ceiling Mountable
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Product Features
Technical Overview
This access point operates on the IEEE 802.11a/b/g/n/ac/ax/d/h wireless LAN standard, ensuring backward compatibility with existing Wi-Fi devices while leveraging Wi-Fi 6E capabilities for reduced latency and increased capacity. The tri-band architecture utilizes 2.40 GHz, 5 GHz, and 6 GHz frequencies to distribute network traffic and minimize interference.
Advanced radio technologies like MIMO and beamforming optimize signal strength and coverage, directing wireless signals toward connected devices for improved performance. The integrated Bluetooth 5.1 module supports location services and IoT device management alongside Wi-Fi connectivity.
Relevant factors for this section include Wireless LAN Standard, Bluetooth Standard, Network Band, Ethernet Technology. When those points are considered together, they give buyers a clearer picture of how the product is equipped, how it fits into deployment, and what kind of day-to-day role it is meant to support.
Key Product Advantages
The Catalyst 9166D1 combines high throughput with enterprise security features, making it suitable for organizations that prioritize both performance and data protection. Its design addresses common wireless challenges in crowded environments.
High-Density Ready
Wi-Fi 6E and tri-band operation support more simultaneous connections with reduced congestion, ideal for offices, classrooms, and public venues.
- 7.78 Gbit/s throughput
- Three frequency bands
- MIMO technology
Enterprise Security
WPA3 encryption and multiple authentication options provide robust protection for sensitive business data and network access.
- WPA3 and WPA2 support
- AES encryption
- Management port for secure control
Simplified Deployment
PoE support and ceiling-mountable form factor reduce installation complexity and cabling requirements.
- PoE PD port
- Internal antennas
- Compact physical profile
Deployment / Use Cases
The Catalyst 9166D1 is engineered for environments where reliable, high-speed wireless connectivity is non-negotiable. Its combination of Wi-Fi 6E, tri-band operation, and enterprise features supports a range of business applications.
In corporate offices, this access point delivers consistent performance for video conferencing, cloud applications, and large file transfers. Educational institutions benefit from its ability to handle dense device populations in classrooms and lecture halls. Retail and hospitality venues use it to provide guest Wi-Fi while maintaining secure back-end operations.
Office Networks
Supports bandwidth-intensive tasks and multiple users per access point, reducing the need for additional hardware.
- Wi-Fi 6E for low latency
- 5GbE uplink
- Ceiling mounting for coverage
Public Venues
Manages high device density with tri-band operation and advanced radio technologies for reliable guest access.
- MIMO and beamforming
- WPA3 for security
- Bluetooth for IoT
Physical Profile
Designed for discreet installation, the access point features a low-profile form factor with internal antennas, measuring 9.50" in width and depth and 2.28" in height. The ceiling-mountable design integrates seamlessly into drop ceilings or surface mounts, while the approximate weight of 3.50 lb ensures secure mounting without excessive load.
The physical profile is practical for deployment planning because the dimensions and weight are clearly defined: 2.28" (57.91 mm), 9.50" (241.30 mm), 9.50" (241.30 mm), 3.50 lb (1587.57 g). This helps confirm rack, shelf, desk, or cabinet fit before installation.
- Width
- 9.50" (241.30 mm)
- Depth
- 9.50" (241.30 mm)
- Height
- 2.28" (57.91 mm)
- Weight
- 3.50 lb (1587.57 g)
Highlights
- Wi-Fi 6E tri-band access point with 2.40 GHz, 5 GHz, and 6 GHz support
- Wireless transmission speed of 7.78 Gbit/s for high-throughput applications
- 5 Gigabit Ethernet port with PoE PD for simplified power and data connectivity
- MIMO and beamforming technologies optimize signal strength and coverage
- WPA3, WPA2, and AES encryption provide enterprise-grade security
- Ceiling-mountable form factor with internal antennas for clean installation
- Bluetooth 5.1 enables location services and IoT device management
- Management port allows for efficient network control and configuration
Specifications
| Specifications | |
|---|---|
| Manufacturer | Cisco Systems, Inc |
| Manufacturer Part Number | CW9166D1-E |
| Brand Name | Cisco |
| Product Line | Catalyst |
| Product Series | 9166 |
| Product Model | 9166D1 |
| Product Name | Catalyst 9166D1 Wireless Access Point |
| Product Type | Wireless Access Point |
| Technical Information | |
| Wireless LAN Standard | IEEE 802.11a/b/g/n/ac/ax/d/h |
| Bluetooth Standard | Bluetooth 5.1 |
| Network Band | Tri Band |
| Frequency Band | 2.40 GHz,5 GHz,6 GHz |
| Wireless Transmission Speed | 7.78 Gbit/s |
| MIMO Technology | Yes |
| Beamforming Technology | Yes |
| Data Encryption | Yes |
| Encryption Standard | WPA3,WPA2-PSK,WPA2-ENT,WPA3-PSK,WPA3-ENT,AES |
| Interfaces/Ports | |
| Ethernet Technology | 5 Gigabit Ethernet |
| Number of Network (RJ-45) Ports | 1 |
| PoE PD Port | Yes |
| USB | Yes |
| USB Standard | USB 2.0 |
| Management Port | Yes |
| Network & Communication | |
| Wi-Fi Generation | Wi-Fi 6E |
| Physical Characteristics | |
| Form Factor | Ceiling Mountable |
| Antenna Form Factor | Internal |
| Height | 2.28" (57.91 mm) |
| Width | 9.50" (241.30 mm) |
| Depth | 9.50" (241.30 mm) |
| Weight (Approximate) | 3.50 lb (1587.57 g) |
User Manual
FAQ
What Wi-Fi standards does this access point support?
The Cisco Catalyst 9166D1 supports IEEE 802.11a/b/g/n/ac/ax/d/h, covering legacy Wi-Fi standards up to the latest Wi-Fi 6E. This ensures compatibility with a wide range of devices, from older equipment to modern smartphones and laptops, while delivering the benefits of Wi-Fi 6E such as increased capacity and reduced latency in the 6 GHz band.
How many frequency bands does this access point use?
This is a tri-band access point, operating across three frequency bands: 2.40 GHz, 5 GHz, and 6 GHz. The 6 GHz band is specific to Wi-Fi 6E, providing additional spectrum for high-performance applications and reducing congestion in crowded wireless environments. Tri-band operation helps distribute network traffic efficiently.
Does this access point support Power over Ethernet (PoE)?
Yes, the access point includes a PoE PD (Power over Ethernet Powered Device) port. This allows it to receive both power and data over a single Ethernet cable, simplifying installation by reducing the need for separate power outlets near the mounting location. It is compatible with PoE switches or injectors that meet the required power specifications.
What is the wired Ethernet connection speed?
The access point features a 5 Gigabit Ethernet port, providing a high-speed uplink to your network infrastructure. This 5GbE connection ensures that the wireless throughput of up to 7.78 Gbit/s is not bottlenecked by the wired link, supporting demanding applications and multiple concurrent users effectively.
Can this access point be mounted on ceilings?
Yes, the form factor is designed for ceiling mounting, making it ideal for installation in offices, schools, retail spaces, and other commercial environments. The internal antennas and low-profile design allow for discreet placement, while the approximate weight of 3.50 lb and dimensions of 9.50" x 9.50" x 2.28" ensure it fits standard ceiling tiles or mounts securely.
What security features are included?
Security features include WPA3 and WPA2 encryption with support for PSK and ENT authentication modes, along with AES encryption. These enterprise-grade protections help secure wireless communications against unauthorized access and data breaches. The access point also includes a management port for secure network control and configuration.