9800-40-K9 is the Cisco Catalyst 9800-40 Wireless Controller. Built from the ground-up for the Intent-based networking and Cisco DNA, Cisco Catalyst 9800 Series Wireless Controllers are Cisco IOS® XE based and integrate the RF excellence of Cisco Aironet® access points creating the best-in-class wireless experience for your evolving and growing organization. The Cisco Catalyst 9800 Series Wireless Controllers are built on an open and programmable architecture with built-in security, streaming telemetry and rich analytics. The Cisco Catalyst 9800 Series Wireless Controllers are built on the three pillars of network excellence— always on, secure, and deployed anywhere— which strengthen the network by providing the best wireless experience without compromise, while saving time and money. The Cisco® Catalyst® 9800-40 is a fixed wireless controller with seamless software updates for midsize and large enterprises.

Model C9800-40-K9
Maximum number of access points Up to 2000
Maximum number of clients 32,000
Maximum throughput Up to 40 Gbps
Maximum WLANs 4096
Maximum VLANs 4096
Interfaces 4x 10 GE/1 GE SFP+/SFP
Form factor 1RU
License Smart License enabled
Operating system Cisco IOS XE
Access points Aironet 802.11ac Wave 1 and Wave 2 access points
Dimension (W × D × H) 17.3 inches × 19.5 inches × 1.72 inches

(43.94 cm × 49.53 cm × 4.37 cm)

Weight 22.8 lb (10.34 kg)

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Number of clients supported - 32000
number of access point - 20000
Form factor - 1RU
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