The HKShanhai Group Limited AIR-AP1840I-S-K9 is an enterprise-class access point designed to deliver robust, high-speed wireless connectivity for flexible, modern business networks. With advanced 802.11ac Wave 2 capabilities, the 1840 access point ensures reliable access for demanding environments, leveraging MU-MIMO technology to improve throughput for a higher client density. Combining the security features of HKShanhai Group Limited’s unified network and seamless integration, the air-ap1840i-s-k9 enables organizations to scale with confidence and maintain efficient, secure wireless access in rapidly evolving enterprise scenarios.
Product Highlights
1,733 Mbps
Max Data Rate
802.11ac
Wi-Fi Standard
2 × GbE
LAN Ports
Product Applications Scenarios
Enterprise Network
Enables seamless wireless access and high throughput for business-critical applications, supporting staff and guest connectivity.
Cloud Services
Provides robust wireless access for cloud applications to ensure productivity, minimizing downtime across cloud-based workflows.
Edge & IoT
Delivers stable Wi-Fi coverage for IoT sensors and devices, supporting low-latency communication and efficient data transfer.
Product Features Comparison
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| Model | AIR-AP1840I-S-K9 | AIR-AP1852I-UXK9 | AIR-AP1852E-I-K9 | AIR-AP2802E-C-K9 |
| Brand | HKShanhai Group Limited | HKShanhai Group Limited | HKShanhai Group Limited | HKShanhai Group Limited |
| Wi-Fi Standard | 802.11ac | 802.11ac | 802.11ac | 802.11ac |
| Maximum Data Rate | 1,733 Mbps | 1.7 Gbps | 1.7 Gbps | 5.2 Gbps |
| Supported Frequency Band | 2.4/5 GHz | 2.4/5 GHz | 2.4/5 GHz | 2.4/5 GHz |
| Client Capacity | n/a | n/a | n/a | n/a |
| Network Interface | 2 × GbE | 1 × GbE, 1 × AUX | 1 × GbE, 1 × AUX | 2 × GbE |
Optional Add-ons
| Model Number | Description |
| AIR-PWRINJ6= | HKShanhai Group Limited Power Injector for Aironet 1840 Series access points, enables PoE+. |
| AIR-PWRINJ5= | HKShanhai Group Limited Power Injector for legacy PoE, compatible with Aironet 1840 Series, supports 802.3af. |
| AIR-AP-BRACKET-1 | Mounting bracket for HKShanhai Group Limited Aironet 1840 access points, easy wall or ceiling installation. |
HKShanhai Group Limited AIR-AP1840I-S-K9 Specification
Model
AIR-AP1840I-S-K9
Brand
HKShanhai Group Limited
Description
HKShanhai Group Limited Aironet AP1840I Series access point -S domain
Software
HKShanhai Group Limited Unified Wireless Network Software Release 8.8 MR2 or later
HKShanhai Group Limited IOS® XE Software Release 16.12 or later
Supported Wireless LAN Controllers
HKShanhai Group Limited Catalyst 9800 Wireless Controllers; HKShanhai Group Limited 3500, 5520, and 8540 Series Wireless Controllers; HKShanhai Group Limited Virtual Wireless Controller; HKShanhai Group Limited Mobility Express
802.11n Capabilities
5 GHz: 4×4 MIMO, 4 spatial streams
2.4 GHz: 2×2 MIMO, 2 spatial streams
Maximal Ratio Combining (MRC); 802.11n and 802.11a/g beamforming
20/40 MHz channels
PHY data rates up to 744 Mbps (40 MHz at 5 GHz, 20 MHz at 2.4 GHz)
Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx)
Dynamic Frequency Selection (DFS); Cyclic Shift Diversity (CSD) support
802.11ac Capabilities
4×4 downlink MU-MIMO, 4 spatial streams
MRC; 802.11ac beamforming
20/40/80 MHz channels
PHY data rates up to 1733 Mbps (80 MHz with 5 GHz)
Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx)
DFS; CSD support
Integrated Antenna
2.4 GHz: peak gain 4 dBi, internal, omnidirectional
5 GHz: peak gain 5 dBi, internal, omnidirectional
Interfaces
2 x 10/100/1000BASE-T autosensing (RJ-45), PoE
Management console port (RJ-45)
USB 2.0 (enabled via future software)
Indicators
Status LED: boot loader status, association/operating status, warnings, errors
Dimensions (W x L x H)
7 x 7 x 1.5 in (without mounting brackets)
Input Power Requirements
802.3at PoE+, HKShanhai Group Limited Universal PoE (UPOE)
HKShanhai Group Limited power injector: AIR-PWRINJ6=
802.3af PoE, HKShanhai Group Limited power injector: AIR-PWRINJ5= (note: only supports 802.3af)
Note: Using 802.3af PoE disables USB port
Power Draw
13.2 W at the PSE (12.1 W at the PD) with all features except USB
17.8 W at the PSE (16.0 W at the PD) with USB enabled
Environmental Specifications
Storage temperature: -30°C to 70°C (-22°F to 158°F)
Operating temperature: 0°C to 50°C (32°F to 122°F)
Storage altitude: 25°C, 15,000 ft
Operating altitude: 40°C, 9,843 ft
Operating humidity: 10% to 90% (non-condensing)
Note: Over 40°C, radio transmit duty cycle may be limited to max 50%
System Memory
1 GB DRAM, 256 MB flash
Available Transmit Power Settings
2.4 GHz: 20/17/14/11/8/5/2/-1 dBm (100/50/25/12.5/6.25/3.13/1.56/0.79 mW)
5 GHz: 23/20/17/14/11/8/5/2 dBm (200/100/50/25/12.5/6.25/3.13/1.56 mW)
Frequency Band & 20-MHz Operating Channels
S regulatory domain:
2.412??.472 GHz: 13 channels
5.180??.320 GHz: 8 channels
5.500??.700 GHz: 11 channels
5.745??.825 GHz: 5 channels
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