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AIR-AP1852E-B-K9C – Cisco Aironet 1852E Access Point


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Investing in the Cisco Aironet 1852E Access Point (AIR-AP1852E-B-K9C) ensures you harness the full potential of 802.11ac Wave 2 technology, capable of supporting high-density environments with multiple clients such as smartphones, tablets, and laptops. With its 4×4 MIMO four-spatial-stream configuration, this access point provides significant improvements in user experience by increasing throughput and reducing latency during peak usage times.

One of the key advantages of the AIR-AP1852E-B-K9C is its adaptability. The external antennas offer flexible mounting options, making it easy to optimize coverage patterns for maximum efficiency across varied deployment scenarios. Additionally, the access point supports both single-user and multiuser MIMO, making it capable of communicating with multiple devices concurrently, vastly improving network efficiency and user bandwidth.

Ease of setup is another benefit, as it comes preconfigured with the Cisco Mobility Express solution, allowing for simple and fast configuration without the need for a physical controller. Network administrators can easily manage the system, reducing setup time and costs.

Furthermore, the AIR-AP1852E-B-K9C model operates within the B Regulatory Domain, providing compliance with regional regulations for wireless communication. Employing this access point means you can confidently expand your network’s wireless capacity with a product designed for optimal performance and regulatory adherence.

Choosing Cisco’s Aironet 1852E also sets a solid foundation for future-proofing your network infrastructure. As connected devices continue to evolve, having an access point capable of handling the demands of next-generation wireless standards is a savvy investment, ensuring your network remains capable and performant as new technologies emerge.

AIR-AP1852E-B-K9C 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-B-K9C provides B Regulatory Domain and External antennas. Model number ending in C is, by default, factory-shipped with a Cisco Mobility Express software image.

Quick Specs

Table 1 shows the quick specs of AIR-AP1852E-B-K9C.

Part Number



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

B (B regulatory domain):

– 2.412 to 2.462 GHz; 3 channels

– 5.180 to 5.320 GHz; 8 channels

– 5.500 to 5.720 GHz; 12 channels

– 5.745 to 5.825 GHz; 5 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

B (B regulatory domain):

– 2.412 to 2.462 GHz; 3 channels

– 5.180 to 5.320 GHz; 8 channels

– 5.500 to 5.720 GHz; 12 channels

– 5.745 to 5.825 GHz; 5 channels

B (B regulatory domain):

– 2.412 to 2.462 GHz; 3 channels

– 5.180 to 5.320 GHz; 8 channels

– 5.500 to 5.720 GHz; 12 channels

– 5.745 to 5.825 GHz; 5 channels

Support & Resources

  [PDF] Cisco Indoor Access Points Comparison Chart

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AIR-AP1852E-B-K9C: Optimal Performance Meets Northland Systems Value

Unparalleled Affordability and Quality

Purchasing the Cisco Aironet 1852E Access Point from Northland Systems means accessing the peak of network performance without the expected price tag. We deliver products like AIR-AP1852E-B-K9C at wholesale prices coupled with our 100% Low Price Guarantee. Our commitment extends beyond affordability—we ensure you receive top-tier quality, whether you choose new or refurbished items.

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Network complexities are unraveled with the help of our free CCIE expert support. Northland Systems empowers your purchase of the AIR-AP1852E-B-K9C with free expert guidance. Streamline your deployment and manage your network with confidence, thanks to our extensive, complimentary support.

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When you choose AIR-AP1852E-B-K9C or any Wireless > Indoor Access Points from us, rest assured of authenticity. Every product, “New Sealed” or “Used / Refurbished,” has been rigorously tested for reliability by Cisco-certified engineers.

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Investing in a Cisco Aironet Access Point is risk-free with our 100% Money Back Guarantee. This commitment to customer satisfaction fosters confidence in the high standard of our products and services.

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Northland Systems has been a solid industry participant since 1997, delivering not just hardware but trust and value. Our significant discounts on 802.11ac Wave 2 Access Points reflect our dedication to making cutting-edge technology accessible.

Advantages of Choosing Pre-owned Hardware

Opting for pre-owned AIR-AP1852E-B-K9 or related Cisco 1800 Access Points from Northland Systems offers multiple advantages. Experience substantial cost savings, fast delivery, full warranty coverage, and contribute to environmental sustainability. Access legacy parts ensures the long-term stability of your network infrastructure.

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Cisco Aironet 1852E Access Point, model AIR-AP1852E-B-K9C, advanced 802.11ac Wave 2, enterprise networking

AIR-AP1852E-B-K9C – Cisco Aironet 1852E Access Point

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