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Home Networking Wireless Indoor Access Points Cisco Aironet AIR-AP1840I-S-K9 Wave2 MU-MIMO Access Point

Cisco Aironet AIR-AP1840I-S-K9 Wave2 MU-MIMO Access Point

Brand:
Cisco

The Cisco AIR-AP1840I-S-K9 is an enterprise-class 802.11ac Wave 2 wireless access point featuring 4x4 MU-MIMO technology, integrated omnidirectional antennas, and high-speed dual-band connectivity. Designed for modern business environments in Singapore, it delivers secure, scalable, and reliable wireless networking for high-density deployments.

OVERVIEW

  • The Cisco AIR-AP1840I-S-K9 Aironet 1840I Series Access Point offers advanced enterprise wireless performance with seamless connectivity for demanding business environments. Powered by 802.11ac Wave 2 technology, it supports 4x4 downlink MU-MIMO and four spatial streams on the 5 GHz band, delivering wireless speeds up to 1733 Mbps.
  • Built for offices, educational campuses, healthcare facilities, retail environments, and hospitality venues in Singapore, this indoor access point provides reliable wireless coverage and improved network efficiency. Its integrated omnidirectional antennas ensure optimized signal distribution while maintaining a clean and professional installation appearance.
  • The AP1840I-S-K9 supports Cisco Catalyst 9800 Wireless Controllers, Cisco Mobility Express, and Virtual Wireless Controllers, making it ideal for scalable enterprise WLAN deployments.

USE CASES

  • Provide high-speed and reliable WiFi connectivity for employees, meeting rooms, and collaborative workspaces.
  • Support wireless learning environments with stable coverage for classrooms and campus-wide deployments.
  • Deliver uninterrupted guest WiFi services with improved device capacity and roaming support.
  • Enable POS systems, customer WiFi, and mobile business operations with secure wireless networking.
  • Support connected medical devices and secure staff communication across hospitals and clinics.

KEY FEATURES

  • Enterprise-grade 802.11ac Wave 2 access point
  • 4x4 MU-MIMO technology for high-density wireless environments
  • Integrated omnidirectional antennas for indoor deployments
  • Dual-band 2.4 GHz and 5 GHz wireless support
  • Wireless throughput up to 1733 Mbps
  • Advanced beamforming and Maximal Ratio Combining (MRC)
  • Supports 20/40/80 MHz channel bandwidths
  • Dynamic Frequency Selection (DFS) support
  • Packet aggregation with A-MPDU and A-MSDU
  • Compatible with Cisco Catalyst 9800 controllers
  • Supports Cisco Mobility Express deployment
  • Optimized for enterprise WiFi networking in Singapore 

TECHNICAL SPECIFICATIONS

  • Brand: Cisco
  • Model: AIR-AP1840I-S-K9
  • Series: Cisco Aironet AP1840I Series
  • Product Type: Enterprise Wireless Access Point
  • Wireless Standard: IEEE 802.11ac Wave 2
  • Deployment Type: Indoor Access Point
  • 5 GHz Radio: 4x4 MIMO, four spatial streams
  • 2.4 GHz Radio: 2x2 MIMO, two spatial streams
  • Maximum PHY Data Rate: Up to 1733 Mbps
  • 802.11n Data Rate: Up to 744 Mbps
  • Channel Width Support: 20 MHz / 40 MHz / 80 MHz
  • Beamforming: Supported
  • MRC: Maximal Ratio Combining supported
  • Packet Aggregation: A-MPDU / A-MSDU aggregation (Tx/Rx)
  • DFS Support: Yes
  • Cyclic Shift Diversity (CSD): Supported
  • Antenna Type: Integrated omnidirectional antennas
  • 2.4 GHz Antenna Gain: 4 dBi peak gain
  • 5 GHz Antenna Gain: 5 dBi peak gain
  • 802.11n Features: Supported
  • 802.11ac Features: Supported
  • Wireless LAN Controller Compatibility: Cisco Catalyst 9800 Wireless Controllers
  • Additional Controller Support: Cisco 3500, 5520, and 8540 Series Wireless Controllers
  • Virtual Wireless Controller Support: Supported
  • Cisco Mobility Express: Supported
  • Software Support: Cisco Unified Wireless Network Software Release 8.8 MR2 or later
  • Cisco IOS XE Support: Release 16.12 or later
  • Regulatory Domain: S Domain
  • Connectivity Technology: Enterprise Wireless LAN
  • Installation Type: Ceiling or wall mount compatible

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