Overview
The Cisco AIR-AP1840I-K-K9 is a member of the Cisco Aironet AP1840I Series of access points specifically designed for use in the K regulatory domain. This access point provides high-performance wireless connectivity and network access for users within the K domain region. With its 4x4 MU-MIMO configuration, the AIR-AP1840I-K-K9 can deliver data rates of up to 1.7 Gbps, supporting both 2.4 and 5 GHz frequencies for optimal network coverage and performance. Its flexible mounting and deployment options make it well-suited for various settings, including medium to large-sized enterprises, office buildings, schools, healthcare facilities, and other environments that require secure and reliable wireless network infrastructure. Advanced security features such as support for WPA3 and enhanced wireless intrusion prevention further enhance the network's security posture, making the AIR-AP1840I-K-K9 a powerful and secure choice for organizations operating within the K regulatory domain.
Specification
AIR-AP1840I-K-K9 Specification
AIR-AP1840I-K-K9Â Specification |
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Description |
Cisco Aironet AP1840I Series access point - KÂ domain |
Software |
•Cisco Unified Wireless Network Software Release 8.8 MR2 or later • Cisco IOS ® XE Software Release 16.12 or later |
Supported wireless LAN controllers |
•Cisco Catalyst 9800 Wireless Controllers •Cisco 3500, 5520 and 8540 Series Wireless Controllers, Cisco Virtual Wireless Controller •Cisco Mobility Express |
802.11n version 2.0 (and related) capabilities |
•5 GHz, 4x4 MIMO with four spatial streams •2.4 GHz, 2x2 MIMO with two spatial streams •Maximal Ratio Combining (MRC) •802.11n and 802.11a/g beamforming •20 and 40 MHz channels •PHY data rates up to 744 Mbps (40 MHz with 5 GHz and 20MHz with 2.4GHz) •Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx) •802.11 Dynamic Frequency Selection (DFS) •Cyclic Shift Diversity (CSD) support |
802.11ac |
•4x4 downlink MU-MIMO with four spatial streams •MRC •802.11ac beamforming •20, 40, 80 MHz channels •PHY data rates up to 1733 Mbps (80MHz with 5 GHz) •Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx) •802.11 DFS •CSD support |
Integrated antenna |
•2.4 GHz, peak gain 4 dBi, internal antenna, omnidirectional in azimuth •5 GHz, peak gain 5 dBi, internal antenna, omnidirectional in azimuth |
Interfaces |
•2 x 10/100/1000BASE-T autosensing (RJ-45), Power over Ethernet (PoE) •Management console port (RJ-45) •USB 2.0 (enabled via future software) |
Indicators |
•Status LED indicates boot loader status, association status, operating status, boot loader warnings, boot loader errors |
Dimensions (W x L x H) |
• Access point (without mounting brackets): AIR-AP1840I: 7 x 7 x 1.5 in |
Input power requirements |
• 802.3at PoE+, Cisco Universal PoE (Cisco UPOE ®) •Cisco power injector, AIR-PWRINJ6= •802.3af PoE •Cisco power injector, AIR-PWRINJ5= (note: this injector only supports 802.3af) Note: When 802.3af PoE is the source of power, then USB port will be off |
Power draw   |
Cisco AIR-AP1840I •13.2W at the PSE (12.1W at the PD) with all features enabled except for the USB port •17.8W at the PSE (16.0W at the PD) with the USB port enabled |
Environmental |
Cisco AIR-AP1840I •Nonoperating (storage) temperature: -22° to 158°F (-30° to 70°C) •Nonoperating (storage) altitude test: 25˚C, 15,000 ft. •Operating temperature: 32° to 122°F (0° to 50°C) •Operating humidity: 10% to 90% (noncondensing) •Operating altitude test: 40˚C, 9843 ft. Note: when ambient operating temperature exceeds 40°C, then the radio transmit duty cycle may be limited to not greater than 50%. |
System memory |
•1GB MB DRAM •256 MB flash |
Available transmit power settings |
2.4 GHz •20 dBm (100 mW) •17 dBm (50 mW) •14 dBm (25 mW) •11 dBm (12.5 mW) •8 dBm (6.25 mW) •5 dBm (3.13 mW) •2 dBm (1.56 mW) • -1 dBm (0.79 mW) 5 GHz •23 dBm (200 mW) •20 dBm (100 mW) •17 dBm (50 mW) •14 dBm (25 mW) •11 dBm (12.5 mW) •8 dBm (6.25 mW) •5 dBm (3.13 mW) •2 dBm (1.56 mW) |
Frequency band and 20-MHz operating channels |
K (K regulatory domain): •2.412 to 2.472 GHz; 13 channels •5.180 to 5.320 GHz; 8 channels •5.500 to 5.620 GHz; 7 channels •5.745 to 5.805 GHz; 4 channels |