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AIR-AP1852I-N-K9 – Cisco Aironet 1852i Access Point


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When considering a reliable and efficient wireless solution for your small to medium-sized business, the Cisco Aironet 1852i Access Point should be at the top of your list. The AIR-AP1852I-N-K9 model is designed to meet today’s demanding Wi-Fi needs with 802.11ac Wave 2 standards, delivering faster connections and supporting a higher density of users.

This access point boasts a 4×4 MIMO with four spatial streams, offering improved coverage and a significant increase in data throughput. Ideal for mobile devices and performance laptops, it ensures everyone on your network enjoys the best possible wireless experience without any bottlenecks or dead zones.

Data intensive applications run smoothly thanks to features like multiuser MIMO, which allows more clients to receive data simultaneously. Beamforming technology further enhances signal reception, improving reliability and range. Moreover, with packet aggregation and dynamic frequency selection (DFS), this device can efficiently manage network traffic and avoid congestion.

For IT managers, the Cisco Aironet 1852i is a breeze to set up and integrate into your existing network architecture. It supports Power over Ethernet (PoE), making installation simpler and reducing the need for additional wiring. Future-proofing your network, the USB 2.0 port enables potential expansion capabilities.

On top of its technical merits, the indicator LEDs on the device offer a quick and easy way to monitor unit status, reducing maintenance time. With its robust safety features, you can be confident in the security of your network communications.

Investing in the AIR-AP1852I-N-K9 means opting for a seamless online experience, elevated work productivity, and the reliability synonymous with the Cisco brand, all crucial for businesses looking to remain competitive in a digitalized world.

AIR-AP1852I-N-K9 is one of the Cisco Aironet 1850 Series Access Points. Cisco 1850 AP series is ideal for small and medium-sized networks. This series supports enterprise-class 4×4 MIMO, four-spatial-stream access points that support the IEEE’s new 802.11ac Wave 2 specification. The 1850 Series extends support to a new generation of Wi-Fi clients, such as smartphones, tablets, and high-performance laptops that have integrated 802.11ac Wave 2 support. The model AIR-AP1852I-N-K9 provides N Regulatory Domain and internal antennas.

Quick Specs

Table 1 shows the quick specs of AIR-AP1852I-N-K9.

Part Number



802.11ac Wave 2 Access Point, 4×4:4, Internal-Ant, N Regulatory Domain


– 4×4 MIMO with four spatial streams, single-user MIMO

– 4×4 MIMO with three spatial streams, multiuser MIMO


– 802.11ac beamforming (transmit beamforming)

– 20-, 40-, and 80-MHz channels

– PHY data rates up to 1.7 Gbps (80 MHz in 5 GHz)

– Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx)

– 802.11 DFS

– CSD support

Regulatory Domain

N (N regulatory domain):

– 2.412 to 2.462 GHz; 3 channels

– 5.180 to 5.320 GHz; 8 channels

– 5.745 to 5.825 GHz; 5 channels


Internal Antenna


– 1 x 10/100/1000BASE-T autosensing (RJ-45), Power over Ethernet (PoE)

– 1 x 10/100/1000BASE-T autosensing (RJ-45), AUX (used for Link Aggregation)

– Management console port (RJ-45)

– USB 2.0 (enabled via future software)

Dimensions (W x L x H)

8.3 x 8.3 x 2 in. (210.8 x 210.8 x 50.8 mm)


3.12 lb (1.41 kg)

Product Details

Figure 1 shows the AIR-AP1852I LED Indicator Position.

Note: ① LED indicator position

Table 2 shows the AP LED indicators’ descriptions.

Message Type

LED State

Message Meaning

Association status

Chirping Green

Normal operating condition, but no wireless client associated


Normal operating condition, at least one wireless client association

Boot loader status


Executing boot loader

Boot loader error


Boot loader signing verification failure

Access point

regulatory domain

priming status

Blinking Amber

AP priming to a new regulatory domain by Neighbor Discovery Protocol (NDP), in progress

Cycling Red, Green and off

AP waiting to be primed

Chirping Red

AP primed to a wrong regulatory domain

Operating status

Blinking amber

Software upgrade in progress

Cycling through green, red, and amber

Discovery/join process in progress

Rapidly cycling through red, green, amber, and off.

Access point location command invoked from controller web interface.

Access point operating

system errors

Cycling through red, green, amber, and off

General warning; insufficient inline power

Figure 2 shows AIR-AP1852I Ports and Connections.



Mode button

AUX (Auxiliary) port.

RJ-45 console port

PoE-In port (Ethernet Uplink port)

USB 2.0 port

48 V DC input power port

AUX (Auxiliary) port appears in the wireless controller user interface as GigabitEthernet1. This port, along with the PoE-In port, is used for Link Aggregation. This port is disabled when using 802.3af (15.4W) power.

Compare to Similar Items

Table 3 shows the comparison between two AP.

Part Number




802.11ac Wave 2 Access Point, 4×4:4

802.11ac Wave 2 Access Point, 4×4:4

★ Model number ending in C is, by default, factory-shipped with a Cisco Mobility Express software image.


Internal Antennas

Internal Antennas

Regulatory Domain

N (N regulatory domain):

– 2.412 to 2.462 GHz; 3 channels

– 5.180 to 5.320 GHz; 8 channels

– 5.745 to 5.825 GHz; 5 channels

N (N regulatory domain):

– 2.412 to 2.462 GHz; 3 channels

– 5.180 to 5.320 GHz; 8 channels

– 5.745 to 5.825 GHz; 5 channels

Support & Resources

  [PDF] Cisco Indoor Access Points Comparison Chart

Get more information

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AIR-AP1852I-N-K9 – Cisco Aironet 1852i Access Point at Northland Systems

Purchasing the AIR-AP1852I-N-K9 – Cisco Aironet 1852i Access Point from Northland Systems offers distinct advantages tailored to businesses and individuals seeking robust Wireless > Indoor Access Points > 802.11ac Wave 2 Access Points. Prioritizing affordability and quality, Northland Systems extends the promise of a 100% Low Price Guarantee on this high-performance device.

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Securing your AIR-AP1852I-N-K9 from Northland Systems means you are investing in a dependable Wireless > Indoor Access Points network solution through a seasoned provider that prioritizes your needs and budget without compromising on quality or service.

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Cisco Aironet 1852i Access Point, model AIR-AP1852I-N-K9, featuring 4x4 MIMO, high-speed, indoor Wi-Fi

AIR-AP1852I-N-K9 – Cisco Aironet 1852i Access Point

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