CW9166I-B Tri-band 4X4:4 MU-MIMO WiFi6E Wireless access points

Cisco CW9166I-B - Overview

The Catalyst 9166I is part of Cisco’s next-generation Wi-Fi 6E portfolio, designed for enterprises adopting the new 6 GHz spectrum. The “I” indicates internal antennas, and the “B” denotes the regulatory domain (North America).

🔧 Key Specifications

• Wi-Fi Standard: IEEE 802.11ax (Wi-Fi 6 and Wi-Fi 6E)
• Bands:
  • 2.4 GHz (4x4 MIMO)
  • 5 GHz (4x4 MIMO)
  • 6 GHz (4x4 MIMO)
• Max Data Rates: Up to 10.2 Gbps aggregate throughput
• Antennas: Internal, omnidirectional
• Ports:
  • 1x 5 Gbps mGig Ethernet (PoE+) uplink
  • 1x 1 Gbps Ethernet port
• Power:
  • 802.3at (PoE+) or 802.3bt (UPoE)
• Security:
  • WPA3, Enhanced Open, 802.1X
  • Cisco Trustworthy Solutions (secure boot, image signing)
• Management:
  • Cisco Catalyst 9800 Series Wireless Controllers (on-prem)
  • Cisco Meraki Dashboard (cloud-managed mode)
  • Flexible dual-management option

🧩 Ideal Use Cases

• High-density enterprise environments (campuses, hospitals, universities)
• Mission-critical deployments needing low latency and high reliability
• Wi-Fi 6E adoption for future-proofing wireless infrastructure
• Hybrid management (on-prem or cloud) for operational flexibility