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AIR-AP1852E-I-K9 – Cisco Aironet 1852E Access Point


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Investing in the AIR-AP1852E-I-K9, a premium offering from the Cisco Aironet 1850 series, ensures a future-proof wireless network tailored for the increasing demand of mobile and high-performance devices. Designed with the latest 802.11ac Wave 2 standard, this access point promises faster connections, greater user capacity, and more coverage. Small and medium-sized enterprises will benefit from its 4×4 multi-user MIMO technology, which allows multiple clients to simultaneously receive data, thereby optimizing network efficiency and throughput. Its support for external antennas provides flexibility for a range of applications, extending coverage in challenging environments.

Capable of speeds up to 1.7 Gbps and with support for 20, 40, and 80 MHz channels, the Aironet 1852E ensures that your network can handle the bandwidth-intensive tasks of today’s media-rich educational content, video streaming, and large data transfers. Additionally, advanced features such as MRC, beamforming, and 802.11 DFS add to the robustness and stability of the wireless connection, making it a reliable choice for mission-critical applications.

The AIR-AP1852E-I-K9 is not only about raw performance; it is also designed with ease of management in mind. Its intuitive interface allows for simple setup, and ongoing management is streamlined thanks to its compatibility with Cisco’s network management tools. The device also boasts a solid build quality and a compact design, fitting seamlessly into various business environments without intrusive aesthetics.

With security as a fundamental concern, this access point provides comprehensive protection with the latest encryption standards and authentication protocols, ensuring your business data remains secure. PoE support simplifies installation and reduces cabling complexity, lowering infrastructure costs. For businesses looking to scale, the Aironet 1852E integrates smoothly with Cisco’s wireless controller infrastructure, simplifying future network expansions. The result is an access point that couples high-density connectivity with security and management features, a valuable addition to any network striving for high efficiency and reliability.

AIR-AP1852E-I-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-AP1852E-I-K9 provides I Regulatory Domain and External antennas.

Quick Specs

Table 1 shows the quick specs of AIR-AP1852E-I-K9.

Part Number



802.11ac Wave 2 Access Point, 4×4:4, External-Ant, I 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

I (I regulatory domain):

– 2.412 to 2.472 GHz; 3 channels

– 5.180 to 5.320 GHz; 8 channels


External 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-AP1852E LED Indicator Position.


LED indicator position

External Antenna

There are four external antennas installed with the AP.

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-AP1852E 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.

External Antenna



Regulatory Domain

I (I regulatory domain):

– 2.412 to 2.472 GHz; 3 channels

– 5.180 to 5.320 GHz; 8 channels

I (I regulatory domain):

– 2.412 to 2.472 GHz; 3 channels

– 5.180 to 5.320 GHz; 8 channels

Support & Resources

  [PDF] Cisco Indoor Access Points Comparison Chart

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AIR-AP1852E-I-K9 – Cisco Aironet 1852E Access Point

Affordability Meets High Quality

The AIR-AP1852E-I-K9 Cisco Aironet 1852E Access Point embodies a perfect blend of affordability and quality. Northland Systems guarantees competitive pricing on this 802.11ac Wave 2 Access Point without compromising its high standards. Boasting a 100% Low Price Guarantee, customers are secured the best market pricing while accessing top-tier products.

Complimentary Expert Support

With Northland Systems, support isn’t an additional cost but a value-add. The availability of free expert CCIE technical support provides customers with professional guidance across various channels to optimize their wireless indoor access points deployment and maintenance.

Secure and Flexible Purchasing

Security and flexibility in transactions are paramount. Customers are offered peace of mind with secure payment options and flexible shipment alternatives, bolstered by trust indicators like McAfee Secure and VeriSign Secured certifications.

Guaranteed Authenticity and Quality

Authenticity is never in question with Northland Systems. Every purchase of Wireless Indoor Access Points, such as the Cisco 1800 Access Points, comes with the assurance of genuine, brand-new sealed or thoroughly inspected used/refurbished condition. Cisco-certified engineers test all products for optimal reliability and performance.

Building Customer Confidence

Trust is built through a 100% Money Back Guarantee, ensuring customer confidence in the investments they make. Northland Systems’ commitment to customer satisfaction stands out, securing the trust required for long-term business relationships.

Reputation and Substantial Discounts

Since 1997, Northland Systems has built a reputation for reliability in the industry. Coupled with substantial discounts, customers can expect not only proven experience but also significant savings on advanced technology like the 802.11ac Wave 2 Access Points.

The Smarter Choice: Pre-owned Hardware

Opting for pre-owned hardware delivers tangible benefits. Customers enjoy considerable cost savings, expedited delivery, full warranty coverage, and an environmentally sustainable choice. Plus, access to legacy parts ensures long-term stability for your networking infrastructure.

Overall, Northland Systems exemplifies why choosing the AIR-AP1852E-I-K9 from their inventory is an informed decision. With an emphasis on cost-effectiveness, expert support, secure transactions, and customer confidence, it’s clear that their offerings are strategically positioned to benefit any organization looking to optimize their networking architecture.

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Cisco Aironet 1852E Access Point, model AIR-AP1852E-I-K9, featuring external antennas, regulatory domain I

AIR-AP1852E-I-K9 – Cisco Aironet 1852E Access Point

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