The Cisco Aironet 1850 Series access points represent a significant milestone in enterprise-grade wireless networking, specifically engineered to address the growing demands of high-density environments. As organizations increasingly rely on mobile devices and bandwidth-intensive applications, the need for robust, reliable, and high-speed connectivity has never been more critical. This series is designed to bridge the gap between traditional wireless infrastructure and the modern requirements of the 802.11ac Wave 2 standard, ensuring that businesses can support a vast array of users without compromising on performance or stability. By integrating advanced radio technology with intelligent management features, Cisco provides a solution that is both scalable and future-proof.

At its core, the Aironet 1850 Series is built to handle the complexities of today’s digital workplace. Whether it is a corporate office, a university campus, or a public venue, these access points offer the necessary throughput to manage high-traffic scenarios effectively. The architecture focuses on delivering a seamless user experience, minimizing latency, and maximizing the efficiency of the wireless spectrum. By leveraging Cisco’s long-standing expertise in networking hardware, the 1850 Series ensures that IT departments can deploy a secure and high-performing wireless network that meets the evolving needs of their workforce while maintaining ease of management and operational simplicity.

Product overview

The Cisco Aironet 1850 Series consists of two primary models: the 1852I and the 1852E. Both models are designed to support the 802.11ac Wave 2 standard, which introduces multi-user MIMO (MU-MIMO) technology. This capability allows the access points to communicate with multiple client devices simultaneously, significantly increasing the overall capacity of the network. The 1852I model features integrated antennas, making it an ideal choice for standard indoor deployments where a clean, aesthetic look is preferred. Conversely, the 1852E model is equipped with external antennas, providing the flexibility required for specialized environments where directional coverage or specific mounting configurations are necessary to optimize signal propagation.

These access points are powered by a high-performance architecture that supports 4x4 MIMO with three spatial streams. This configuration ensures that the devices can deliver high data rates, making them suitable for applications such as high-definition video streaming, cloud-based collaboration tools, and large file transfers. Furthermore, the 1850 Series is designed to work in conjunction with the Cisco Unified Wireless Network, which allows for centralized management and control. This integration simplifies the deployment process, enabling IT teams to configure, monitor, and troubleshoot their wireless infrastructure from a single point of control. The hardware is also built to be energy-efficient, adhering to modern standards for power consumption without sacrificing the robust performance expected from enterprise-grade equipment.

Features and benefits

802.11ac Wave 2 Support: Provides high-speed wireless connectivity by utilizing MU-MIMO technology, which allows for simultaneous data transmission to multiple clients, thereby increasing total network capacity and efficiency.
4x4 MIMO with Three Spatial Streams: Delivers superior performance and reliability, ensuring that bandwidth-intensive applications run smoothly even in environments with high user density.
Flexible Deployment Options: Offers both the 1852I model with integrated antennas for aesthetic indoor use and the 1852E model with external antennas for specialized coverage requirements.
Cisco Mobility Express: Simplifies the deployment process for small to medium-sized businesses by allowing the access point to act as a virtual controller, eliminating the need for a dedicated physical wireless controller.
Advanced Radio Resource Management (RRM): Automatically adjusts channel and power settings to mitigate interference and optimize coverage, ensuring a consistent user experience across the entire facility.
Integrated Security Features: Includes robust security protocols such as WPA3, rogue access point detection, and advanced threat mitigation to protect the network from unauthorized access and malicious activity.
Quality of Service (QoS): Prioritizes critical traffic, such as voice and video, to ensure that latency-sensitive applications maintain high quality even during periods of heavy network congestion.
Energy Efficiency: Designed to operate within standard Power over Ethernet (PoE) limits, reducing the need for additional power infrastructure and lowering overall operational costs.
Seamless Roaming: Supports fast and secure roaming for mobile users, ensuring that connectivity remains uninterrupted as individuals move throughout the coverage area.
Scalability: Easily integrates into larger Cisco wireless networks, allowing organizations to expand their infrastructure as their business needs grow over time.

2021-12-01 :Updated

Cisco Aironet 1850 Series

Figure 1.

Cisco Aironet 1850 Series

Product overview

Ideal for small and medium-sized networks, the Cisco^® Aironet^® 1850 Series delivers industry-leading performance for enterprise and service provider markets via enterprise-class 4x4 MIMO, four-spatial-stream access points that support the IEEE’s new 802.11ac Wave 2 specification. The Aironet 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 1 or Wave 2 support.

Features and benefits

With 802.11ac Wave 2, the Aironet 1850 Series provides a data rate of up to 1.7 Gbps on the 5-GHz radio, more than triple the rates offered by today’s high-end 802.11n access points. It also enables a total aggregate dual-radio data rate of 2.0 Gbps, providing the necessary foundation for enterprise and service provider networks to stay ahead of the performance and bandwidth expectations and needs of their wireless users.

Due to its convenience, wireless access is increasingly the preferred form of network connectivity for corporate users. Along with this shift, there is an expectation that wireless should not slow down users’ day-to-day work, but should enable a high-performance experience while allowing users to move freely. The 1850 Series delivers industry-leading performance for highly secure and reliable wireless connections and provides a robust mobility experience that includes:

● 802.11ac Wave 2 with 4x4 Multiple-Input Multiple-Output (MIMO) technology with four spatial streams when operating in single-user MIMO mode and three spatial streams while operating in multiuser MIMO mode, offering 1.7-Gbps rates for more capacity and reliability than competing access points.

● Multiuser MIMO, allowing transmission of data to multiple 802.11ac Wave 2 capable clients simultaneously to improve client experience. Prior to multiuser MIMO, 802.11n and 802.11ac Wave 1 access points could transmit data to only one client at a time, typically referred to as single-user MIMO.

● Transmit beamforming technology to improve downlink performance to mobile devices, including one-, two-, and three-spatial-stream devices on 802.11ac, while improving battery life on mobile devices such as smartphones and tablets.

● Flexible deployment mode through Cisco Mobility Express is ideal for small to medium-sized deployments that require multiple access points. Easy setup allows the 1850 Series to be deployed on networks without a physical controller.

● Secure connections for remote workers or the micro-office. Any Cisco Aironet or Catalyst access point can function as an OfficeExtend Access Point (OEAP). With an OEAP, an employee at home or in a temporary micro-office will have access to the corporate SSID and the corporate network without the need to set up a VPN or have any advanced technical know-how.

● Cisco User Defined Network, a feature available in Cisco DNA Center, that allows IT to give end users control of their very own wireless network partition on a shared network. End users can then remotely and securely deploy their devices on this network. Perfect for university dormitories or extended hospital stays, Cisco User Defined Network grants both device security and control, allowing each user to choose who can connect to their network. (Available second half of calendar year 2020.)

● The Wi-Fi 6 readiness dashboard, a new dashboard in the Assurance menu of Cisco DNA Center. It will look through the inventory of all devices on the network and verify device, software, and client compatibility with the new Wi-Fi 6 standard. After upgrading, advanced wireless analytics will indicate performance and capacity gains as a result of the Wi-Fi 6 deployment. This is an incredible tool that will help your team define where and how the wireless network should be upgraded. It will also give you insights into the access point distribution by protocol (802.11 ac/n/abg), wireless airtime efficiency by protocol, and granular performance metrics.

All of these features help ensure the best possible end-user experience on the wireless network. Cisco also offers the industry’s broadest selection of 802.11n and 802.11ac antennas, delivering optimal coverage for a variety of deployment scenarios.

The Cisco Aironet 1850 Series Access Points also support:

● The Onyx BLE Beacon Solution, which provides a feature that the Aironet access points are missing: built-in Bluetooth Low Energy (BLE). The Onyx BLE Beacons work smoothly with indoor location-based services. Used for indoor navigation, proximity marketing, and asset tracking, BLE is a tool that is becoming more and more useful with each passing day. With the Onyx BLE Beacons, customers can add BLE to their networks.

Product specifications

Table 1. Product specifications

Feature	Specifications
Software	Cisco Unified Wireless Network Software Release with AireOS wireless controllers: ● 8.1 MR1 or later for the Cisco Aironet 1850 Series Access Points
Deployment modes	Centralized local, Standalone^, Sniffer, Cisco FlexConnect^™, Monitor^, OfficeExtend^, Mesh^*
Supported wireless LAN controllers	● Cisco 2500 Series Wireless Controllers, Cisco 3500 Series Wireless Controllers, Cisco Wireless Controller Module for ISR G2, Cisco Wireless Services Module 2 (WiSM2) for Catalyst ^® 6500 Series Switches, Cisco 5500 Series Wireless Controllers, Cisco Flex ^® 7500 Series Wireless Controllers, Cisco 8500 Series Wireless Controllers, Cisco Catalyst 9800 Series Wireless Controllers, Cisco 5760 Series Wireless Controllers, ^ Cisco Catalyst 3650/3850 Series Switches with integrated controller ^ ● Cisco Mobility Express
802.11n version 2.0 (and related) capabilities	● 4x4 MIMO with four spatial streams ● Maximal Ratio Combining (MRC) ● 20- and 40-MHz channels ● PHY data rates up to 600 Mbps (40 MHz with 5 GHz) ● Packet aggregation: A-MPDU (Tx/Rx), A-MSDU (Tx/Rx) ● 802.11 Dynamic Frequency Selection (DFS) ● Cyclic Shift Diversity (CSD) support
802.11ac Wave 1 and 2 capabilities	● 4x4 MIMO with four spatial streams, single-user MIMO ● 4x4 MIMO with three spatial streams, multiuser MIMO ● MRC ● 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 ● Rogue device detection
Data rates supported	802.11a: 6, 9, 12, 18, 24, 36, 48, and 54 Mbps
	802.11g: 1, 2, 5.5, 6, 9, 11, 12, 18, 24, 36, 48, and 54 Mbps
	802.11n data rates on 2.4 GHz (only 20 MHz and MCS 0 to MCS 23) and 5 GHz:
	MCS Index¹	GI² = 800 ns	GI = 800 ns	GI = 400 ns	GI = 400 ns
	20-MHz Rate (Mbps)	40-MHz Rate (Mbps)	20-MHz Rate (Mbps)	40-MHz Rate (Mbps)
	0	6.5	13.5	7.2	15
	1	13	27	14.4	30
	2	19.5	40.5	21.7	45
	3	26	54	28.9	60
	4	39	81	43.3	90
	5	52	108	57.8	120
	6	58.5	121.5	65	135

¹ MCS Index: The Modulation and Coding Scheme (MCS) index determines the number of spatial streams, the modulation, the coding rate, and data rate values.

² GI: A Guard Interval (GI) between symbols helps receivers overcome the effects of multipath delay spreads.

Feature	Specifications
Data rates supported	MCS Index³	GI⁴ = 800 ns		GI = 800 ns		GI = 400 ns		GI = 400 ns
	20-MHz Rate (Mbps)		40-MHz Rate (Mbps)		20-MHz Rate (Mbps)		40-MHz Rate (Mbps)
	7	65		135		72.2		150
	8	13		27		14.4		30
	9	26		54		28.9		60
	10	39		81		43.3		90
	11	52		108		57.8		120
	12	78		162		86.7		180
	13	104		216		115.6		240
	14	117		243		130		270
	15	130		270		144.4		300
	16	19.5		40.5		21.7		45
	17	39		81		43.3		90
	18	58.5		121.5		65		135
	19	78		162		86.7		180
	20	117		243		130		270
	21	156		324		173.3		360
	22	175.5		364.5		195		405
	23	195		405		216.7		450
	24	26		54		28.9		60
	25	52		108		57.8		120
	26	78		162		86.7		180
	27	104		216		115.6		240
	28	156		324		173.3		360
	29	208		432		231.1		480
	30	234		486		260		540
	31	260		540		288.9		600
802.11ac data rates (5 GHz):
MCS Index	Spatial Streams	GI = 800 ns			GI = 400 ns
20-MHz Rate (Mbps)	40-MHz Rate (Mbps)	80-MHz Rate (Mbps)	20-MHz Rate (Mbps)	40-MHz Rate (Mbps)	80-MHz Rate (Mbps)
0	1	6.5	13.5	29.3	7.2	15	32.5
1	1	13	27	58.5	14.4	30	65
2	1	19.5	40.5	87.8	21.7	45	97.5
3	1	26	54	117	28.9	60	130
4	1	39	81	175.5	43.3	90	195
5	1	52	108	234	57.8	120	260
6	1	58.5	121.5	263.3	65	135	292.5
7	1	65	135	292.5	72.2	150	325
8	1	78	162	351	86.7	180	390

³ MCS Index: The Modulation and Coding Scheme (MCS) index determines the number of spatial streams, the modulation, the coding rate, and data rate values.

⁴ GI: A Guard Interval (GI) between symbols helps receivers overcome the effects of multipath delay spreads.

Feature	Specifications
MCS index	Spatial streams	GI = 800 ns			GI = 400 ns
20-MHz rate (Mbps)	40-MHz rate (Mbps)	80-MHz rate (Mbps)	20-MHz rate (Mbps)	40-MHz rate (Mbps)	80-MHz rate (Mbps)
9	1	-	180	390	-	200	433.3
0	2	13	27	58.5	14.4	30	65
1	2	26	54	117	28.9	60	130
2	2	39	81	175.5	43.3	90	195
3	2	52	108	234	57.8	120	260
4	2	78	162	351	86.7	180	390
5	2	104	216	468	115.6	240	520
6	2	117	243	526.5	130	270	585
7	2	130	270	585	144.4	300	650
8	2	156	324	702	173.3	360	780
9	2	-	360	780	-	400	866.7
0	3	19.5	40.5	87.8	21.7	45	97.5
1	3	39	81	175.5	43.3	90	195
2	3	58.5	121.5	263.3	65	135	292.5
3	3	78	162	351	86.7	180	390
4	3	117	243	526.5	130	270	585
5	3	156	324	702	173.3	360	780
6	3	175.5	364.5	-	195	405	-
7	3	195	405	877.5	216.7	450	975
8	3	234	486	1053	260	540	1170
9	3	260	540	1170	288.9	600	1300
0	4	26	54	117	28.9	60	130
1	4	52	108	234	57.8	120	260
2	4	78	162	351	86.7	180	390
3	4	104	216	468	115.6	240	520
4	4	156	324	702	173.3	360	780
5	4	208	432	936	231.1	480	1040
6	4	234	486	1053	260	540	1170
7	4	260	540	1170	288.9	600	1300
8	4	312	648	1404	346.7	720	1560
9	4	-	720	1560	-	800	1733.3
Maximum number of nonoverlapping channels	A (A regulatory domain): ● 2.412 to 2.462 GHz; 3 channels ● 5.180 to 5.320 GHz; 8 channels ● 5.500 to 5.700 GHz; 8 channels (excludes 5.600 to 5.640 GHz) ● 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 C (C regulatory domain): ● 2.412 to 2.472 GHz; 3 channels ● 5.745 to 5.825 GHz; 5 channels D (D 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 E (E regulatory domain): ● 2.412 to 2.472 GHz; 3 channels ● 5.180 to 5.320 GHz; 8 channels ● 5.500 to 5.700 GHz; 8 channels (excludes 5.600 to 5.640 GHz) F (F regulatory domain): ● 2.412 to 2.472 GHz; 3 channels ● 5.250 to 5.350 GHz; 4 channels ● 5.725 to 5.825 GHz; 4 channels H (H regulatory domain): ● 2.412 to 2.472 GHz; 3 channels ● 5.150 to 5.350 GHz; 8 channels ● 5.745 to 5.825 GHz; 5 channels I (I regulatory domain): ● 2.412 to 2.472 GHz; 3 channels ● 5.180 to 5.320 GHz; 8 channels				K (K regulatory domain): ● 2.412 to 2.472 GHz; 3 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 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 Q (Q regulatory domain): ● 2.412 to 2.472 GHz; 3 channels ● 5.180 to 5.320 GHz; 8 channels ● 5.500 to 5.700 GHz; 11 channels R (R regulatory domain): ● 2.412 to 2.472 GHz; 3 channels ● 5.180 to 5.320 GHz; 8 channels ● 5.660 to 5,805 GHz; 7 channels S (S regulatory domain): ● 2.412 to 2.472 GHz; 3 channels ● 5.180 to 5.320 GHz; 8 channels ● 5.500 to 5.700 GHz; 11 channels ● 5.745 to 5.825 GHz; 5 channels T (T regulatory domain): ● 2.412 to 2.462 GHz; 3 channels ● 5.280 to 5.320 GHz; 3 channels ● 5.500 to 5.700 GHz; 8 channels (excludes 5.600 to 5.640 GHz) ● 5.745 to 5.825 GHz; 5 channels Z (Z regulatory domain): ● 2.412 to 2.462 GHz; 3 channels ● 5.180 to 5.320 GHz; 8 channels ● 5.500 to 5.700 GHz; 8 channels (excludes 5.600 to 5.640 GHz) ● 5.745 to 5.825 GHz; 5 channels
Note: Customers are responsible for verifying approval for use in their individual countries. To verify approval that corresponds to a particular country, visit https://www.cisco.com/go/aironet/compliance.
Maximum number of nonoverlapping channels	2.4 GHz ● 802.11b/g: ◦ 20 MHz: 3 ● 802.11n: ◦ 20 MHz: 3				5 GHz ● 802.11a: ◦ 20 MHz: 25 ● 802.11n: ◦ 20 MHz: 25 ◦ 40 MHz: 12 ● 802.11ac: ◦ 20 MHz: 21 ◦ 40 MHz: 12 ◦ 80 MHz: 6
Note: This varies by regulatory domain. Refer to the product documentation for specific details for each regulatory domain.
Receive sensitivity	● 802.11b (CCK) ◦ -101 dBm @ 1 Mbps ◦ -98 dBm @ 2 Mbps ◦ -92 dBm @ 5.5 Mbps ◦ -89 dBm @ 11 Mbps	● 802.11g (non HT20) ◦ -96 dBm @ 6 Mbps ◦ -95 dBm @ 9 Mbps ◦ -94 dBm @ 12 Mbps ◦ -92 dBm @ 18 Mbps ◦ -88 dBm @ 24 Mbps ◦ -85 dBm @ 36 Mbps ◦ -81 dBm @ 48 Mbps ◦ -79 dBm @ 54 Mbps		● 802.11a (non HT20) ◦ -96 dBm @ 6 Mbps ◦ -95 dBm @ 9 Mbps ◦ -94 dBm @ 12 Mbps ◦ -92 dBm @ 18 Mbps ◦ -88 dBm @ 24 Mbps ◦ -85 dBm @ 36 Mbps ◦ -80 dBm @ 48 Mbps ◦ -79 dBm @ 54 Mbps
Receive sensitivity	2.4 GHz ● 802.11n (HT20) ◦ -96 dBm @ MCS0 ◦ -93 dBm @ MCS1 ◦ -90 dBm @ MCS2 ◦ -87 dBm @ MCS3 ◦ -84 dBm @ MCS4 ◦ -79 dBm @ MCS5 ◦ -78 dBm @ MCS6 ◦ -76 dBm @ MCS7 ◦ -93 dBm @ MCS8 ◦ -90 dBm @ MCS9 ◦ -87 dBm @ MCS10 ◦ -84 dBm @ MCS11 ◦ -81 dBm @ MCS12 ◦ -76 dBm @ MCS13 ◦ -75 dBm @ MCS14 ◦ -73 dBm @ MCS15 ◦ -91 dBm @ MCS16 ◦ -88 dBm @ MCS17 ◦ -85 dBm @ MCS18 ◦ -82 dBm @ MCS19 ◦ -79 dBm @ MCS20 ◦ -74 dBm @ MCS21 ◦ -73 dBm @ MCS22 ◦ -71 dBm @ MCS23	5 GHz ● 802.11n (HT20) ◦ -96 dBm @ MCS0 ◦ -92 dBm @ MCS1 ◦ -90 dBm @ MCS2 ◦ -86 dBm @ MCS3 ◦ -83 dBm @ MCS4 ◦ -79 dBm @ MCS5 ◦ -77 dBm @ MCS6 ◦ -76 dBm @ MCS7 ◦ -93 dBm @ MCS8 ◦ -89 dBm @ MCS9 ◦ -87 dBm @ MCS10 ◦ -83 dBm @ MCS11 ◦ -80 dBm @ MCS12 ◦ -76 dBm @ MCS13 ◦ -74 dBm @ MCS14 ◦ -73 dBm @ MCS15 ◦ -91 dBm @ MCS16 ◦ -87 dBm @ MCS17 ◦ -85 dBm @ MCS18 ◦ -81 dBm @ MCS19 ◦ -78 dBm @ MCS20 ◦ -74 dBm @ MCS21 ◦ -72 dBm @ MCS22 ◦ -71 dBm @ MCS23 ◦ -89 dBm @ MCS24 ◦ -85 dBm @ MCS25 ◦ -83 dBm @ MCS26 ◦ -79 dBm @ MCS27 ◦ -76 dBm @ MCS28 ◦ -72 dBm @ MCS29 ◦ -70 dBm @ MCS30 ◦ -69 dBm @ MCS31		5 GHz ● 802.11n (HT40) ◦ -93 dBm @ MCS0 ◦ -90 dBm @ MCS1 ◦ -87 dBm @ MCS2 ◦ -84 dBm @ MCS3 ◦ -80 dBm @ MCS4 ◦ -76 dBm @ MCS5 ◦ -75 dBm @ MCS6 ◦ -73 dBm @ MCS7 ◦ -90 dBm @ MCS8 ◦ -87 dBm @ MCS9 ◦ -84 dBm @ MCS10 ◦ -81 dBm @ MCS11 ◦ -77 dBm @ MCS12 ◦ -73 dBm @ MCS13 ◦ -72 dBm @ MCS14 ◦ -70 dBm @ MCS15 ◦ -88 dBm @ MCS16 ◦ -85 dBm @ MCS17 ◦ -82 dBm @ MCS18 ◦ -79 dBm @ MCS19 ◦ -75 dBm @ MCS20 ◦ -71 dBm @ MCS21 ◦ -70 dBm @ MCS22 ◦ -68 dBm @ MCS23 ◦ -86 dBm @ MCS24 ◦ -83 dBm @ MCS25 ◦ -80 dBm @ MCS26 ◦ -77 dBm @ MCS27 ◦ -73 dBm @ MCS28 ◦ -69 dBm @ MCS29 ◦ -68 dBm @ MCS30 ◦ -66 dBm @ MCS31
802.11ac receive sensitivity
802.11ac (non HT80) ● -89 dBm @ 6 Mbps ● -73 dBm @ 54 Mbps
MCS index		Spatial streams
VHT20	VHT40	VHT80
0		1		-96 dBm	-93 dBm	-89 dBm
7		1		-76 dBm	-73 dBm	-70 dBm
8		1		-71 dBm	-69 dBm	-66 dBm
9		1		NA	-67 dBm	-64 dBm
0		2		-93 dBm	-90 dBm	-86 dBm
7		2		-73 dBm	-70 dBm	-67 dBm
8		2		-68 dBm	-66 dBm	-63 dBm
9		2		NA	-64 dBm	-61 dBm
0		3		-91 dBm	-88 dBm	-84 dBm
7		3		-71 dBm	-68 dBm	-65 dBm
8		3		-66 dBm	-64 dBm	-61 dBm
9		3		-64 dBm	-62 dBm	-59 dBm
MCS index		Spatial streams
VHT20	VHT40	VHT80
0		4		-89 dBm	-86 dBm	-82 dBm
7		4		-69 dBm	-66 dBm	-63 dBm
8		4		-64 dBm	-62 dBm	-59 dBm
9		4		NA	-60 dBm	-57 dBm
Maximum transmit power	2.4 GHz ● 802.11b ◦ 22 dBm, 3 antennas ● 802.11g ◦ 22 dBm, 3 antennas ● 802.11n (HT20) ◦ 22 dBm, 3 antennas				5 GHz ● 802.11a ◦ 23 dBm, 4 antennas ● 802.11n (HT20) ◦ 23 dBm, 4 antennas ● 802.11n (HT40) ◦ 23 dBm, 4 antennas ● 802.11ac ◦ non-HT80: 23 dBm, 4 antennas ◦ VHT20: 23 dBm, 4 antennas ◦ VHT40: 23 dBm, 4 antennas ◦ VHT80: 23 dBm, 4 antennas
Note: The maximum power setting will vary by channel and according to individual country regulations. Refer to the product documentation for specific details.
Available transmit power settings	2.4 GHz ● 22 dBm ● 19 dBm ● 16 dBm ● 13 dBm ● 10 dBm ● 7 dBm ● 4 dBm ● 1 dBm				5 GHz ● 23 dBm ● 20 dBm ● 17 dBm ● 14 dBm ● 11 dBm ● 8 dBm ● 5 dBm ● 2 dBm
Note: The maximum power setting will vary by channel and according to individual country regulations. Refer to the product documentation for specific details.
Integrated antenna	● 2.4 GHz, gain 3 dBi, internal omni, horizontal beamwidth 360° ● 5 GHz, gain 5 dBi, internal omni, horizontal beamwidth 360°
External antenna (sold separately)	● Certified for use with antenna gains up to 6 dBi (2.4 GHz and 5 GHz) ● Cisco offers the industry's broadest selection of antennas, delivering optimal coverage for a variety of deployment scenarios
Interfaces	● 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)
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 bracket): 8.3 x 8.3 x 2 in. (210.8 x 210.8 x 50.8 mm)
Weight	● 3.12 lb (1.41 kg)
Environmental	Cisco Aironet 1850i ● Nonoperating (storage) temperature: -22° to 158°F (-30° to 70°C) ● Nonoperating (storage) altitude test: 25˚C, 15,000 ft. ● Operating temperature: 32° to 104°F (0° to 50°C) ● Operating humidity: 10% to 90% (noncondensing) ● Operating altitude test: 40˚C, 9843 ft. Cisco Aironet 1850e ● Nonoperating (storage) temperature: -22° to 158°F (-30° to 70°C) ● Nonoperating (storage) altitude test: 25˚C, 15,000 ft. ● Operating temperature: -4° to 122°F (-20° to 50°C) ● Operating humidity: 10% to 90% (noncondensing) ● Operating altitude test: 40˚C, 9843 ft.
System memory	● 1 GB DRAM ● 256 MB flash
Input power requirements	● AP1850: 44 to 57 VDC ● Power supply and power injector: 100 to 240 VAC; 50 to 60 Hz
Power draw	● 20.9W Note: When deployed using a Power over Ethernet (PoE) specification, the power drawn from the power sourcing equipment will be higher by some amount, depending on the length of the interconnecting cable.
Powering options	● 802.3at ● Enhanced PoE ● Cisco power injector, AIR-PWRINJ4= ● Cisco local power supply, AIR-PWR-C= ● Cisco power injector, AIR-PWRINJ5= ( Note: this injector supports 802.3af only) ● 802.3af Note: If 802.3af PoE is the source of power, (1) the 1852e 2.4-GHz radio will shift to 2x3 from 3x4, (2) The USB port and AUX Ethernet port are disabled on both the 1852i and 1852e.
Warranty	Limited lifetime hardware warranty
Compliance standards	◦ UL 60950-1 ◦ CAN/CSA-C22.2 No. 60950-1 ◦ UL 2043 ◦ IEC 60950-1 ◦ EN 60950-1 ◦ EN 50155 for 2800e (Operating temperature -20° to 50°C) ● Radio approvals: ◦ FCC Part 15.247, 15.407^* ◦ RSS-210 (Canada) ◦ EN 300.328, EN 301.893 (Europe) ◦ ARIB-STD 66 (Japan) ◦ ARIB-STD T71 (Japan) ◦ EMI and susceptibility (Class B) ◦ FCC Part 15.107 and 15.109^* ◦ ICES-003 (Canada) ◦ VCCI (Japan) ◦ EN 301.489-1 and -17 (Europe) ◦ EN 60601-1-2 EMC requirements for the Medical Directive 93/42/EEC ● IEEE standards: ◦ IEEE 802.11a/b/g, 802.11n, 802.11h, 802.11d ◦ IEEE 802.11ac Draft 5 ● Security: ◦ 802.11i, Wi-Fi Protected Access 3 (WPA3), (WPA2), WPA ◦ 802.1X ◦ Advanced Encryption Standard (AES) ● Extensible Authentication Protocol (EAP) types: ◦ EAP-Transport Layer Security (TLS) ◦ EAP-Tunneled TLS (TTLS) or Microsoft Challenge Handshake Authentication Protocol Version 2 (MSCHAPv2) ◦ Protected EAP (PEAP) v0 or EAP-MSCHAPv2 ◦ EAP-Flexible Authentication via Secure Tunneling (FAST) ◦ PEAP v1 or EAP-Generic Token Card (GTC) ◦ EAP-Subscriber Identity Module (SIM) ● Multimedia: ◦ Wi-Fi Multimedia (WMM) ● Other: ◦ FCC Bulletin OET-65C ◦ RSS-102

^* Supported via Cisco Mobility Express with controller function running on the access point - not Cisco IOS ^® Software Autonomous based.

^** Future.

Licensing

In order to connect any access points to the controller, Cisco DNA software subscriptions are required. To be entitled to connect to a Cisco Catalyst 9800 Series Wireless Controller, the access point requires a Cisco DNA subscription license.

Figure 2.

Determining license requirements for access points connecting to Cisco Catalyst 9800 Series Wireless Controllers

Access points connecting to a Cisco Catalyst 9800 Series controller have new and simplified software subscription packages. They can support both tiers of Cisco DNA software: Cisco DNA Essentials and Cisco DNA Advantage.

Cisco DNA software subscriptions provide Cisco innovations on the access point. They also include perpetual Network Essentials and Network Advantage licensing options, which cover wireless fundamentals such as 802.1X authentication, Quality of Service (QoS), and Plug and Play (PnP); telemetry and visibility, and Single Sign-On (SSO), as well as security controls.

Cisco DNA subscription software has to be purchased for a 3-, 5-, or 7-year subscription term. If not renewed by the end of the term, Cisco DNA features will expire, whereas Network Essentials and Network Advantage features will remain.

For the full feature list of Cisco DNA Software, including the perpetual Network Essentials and Network Advantage, please see the feature matrix: https://www.cisco.com/c/m/en_us/products/software/dna-subscription-wireless/en-sw-sub-matrix-wireless.html?oid=porew018984

Two modes of licensing are available:

● Smart Licensing (SL) simplifies and adds flexibility to licensing. It is:

◦ Simple: Procure, deploy, and manage licenses easily. Devices self-register, removing the need for Product Activation Keys (PAKs).

◦ Flexible: Pool license entitlements in a single account. Move licenses freely through the network, wherever you need them.

◦ Smart: Manage your license deployments with real-time visibility into ownership and consumption.

● Specific License Reservation (SLR) is a feature used in highly secure networks. It provides a method for customers to deploy a software license on a device (product instance) without communicating usage information to Cisco. There is no communication with Cisco or a satellite. The licenses are reserved for every controller. It is node-based licensing.

Four levels of license are supported on the Cisco Catalyst 9800 Series Wireless Controllers. The controllers can be configured to function at any one of the four levels.

● Cisco DNA Essentials: At this level the Cisco DNA Essentials feature set will be supported.

● Cisco DNA Advantage: At this level the Cisco DNA Advantage feature set will be supported.

● NE: At this level the Network Essentials feature set will be supported.

● NA: At this level the Network Advantage feature set will be supported.

For customers who purchase Cisco DNA Essentials, Network Essentials will be supported and will continue to function even after term expiration. And for customers who purchase Cisco DNA Advantage, Network Advantage will be supported and will continue to function even after term expiration.

Initial bootup of the controller will be at the Cisco DNA Advantage level.

Ordering information

Table 3. Ordering information

Product name	Part number
Aironet 1850 Series	Cisco Aironet 1852i Access Point: Indoor environments, with internal antennas ● AIR-AP1852I-x-K9: Dual-band, controller-based 802.11a/g/n/ac, Wave 2 ● AIR-AP1852I-x-K9C: Dual-band, controller-based 802.11a/g/n/ac, Wave 2, configurable ● Regulatory domains: (x = regulatory domain) Cisco Aironet 1852e Access Point: Indoor, challenging environments, with external antennas ● AIR-AP1852E-x-K9: Dual-band, controller-based 802.11a/g/n/ac, Wave 2 ● AIR-AP1852E-x-K9C: Dual-band, controller-based 802.11a/g/n/ac, Wave 2, configurable ● Regulatory domains: (x = regulatory domain) Customers are responsible for verifying approval for use in their individual countries. To verify approval that corresponds to a particular country or the regulatory domain used in a specific country, visit https://www.cisco.com/go/aironet/compliance. Not all regulatory domains have been approved. As they are approved, the part numbers will be available on the Global Price List.

Product name

Part number

Aironet 1850 Series

Cisco Aironet 1852i Access Point: Indoor environments, with internal antennas

● AIR-AP1852I-x-K9: Dual-band, controller-based 802.11a/g/n/ac, Wave 2

● AIR-AP1852I-x-K9C: Dual-band, controller-based 802.11a/g/n/ac, Wave 2, configurable

● Regulatory domains: (x = regulatory domain)

Cisco Aironet 1852e Access Point: Indoor, challenging environments, with external antennas

● AIR-AP1852E-x-K9: Dual-band, controller-based 802.11a/g/n/ac, Wave 2

● AIR-AP1852E-x-K9C: Dual-band, controller-based 802.11a/g/n/ac, Wave 2, configurable

● Regulatory domains: (x = regulatory domain)

Customers are responsible for verifying approval for use in their individual countries. To verify approval that corresponds to a particular country or the regulatory domain used in a specific country, visit https://www.cisco.com/go/aironet/compliance.

Not all regulatory domains have been approved. As they are approved, the part numbers will be available on the Global Price List.

Cisco Services

Realize the full business value of your technology investments faster with intelligent, customized services from Cisco and our partners. Backed by deep networking expertise and a broad ecosystem of partners, Cisco Wireless LAN Services help you deploy a sound, scalable mobility network that enables rich media collaboration while improving the operational efficiency gained from a converged wired and wireless network infrastructure based on the Cisco Unified Wireless Network. Together with partners, we offer expert plan, build, and run services to accelerate your transition to advanced mobility services while continuously optimizing the performance, reliability, and security of that architecture after it is deployed.

Cisco Wireless LAN Services

● AS-WLAN-CNSLT: Cisco Wireless LAN Network Planning and Design Service

● AS-WLAN-CNSLT: Cisco Wireless LAN 802.11n Migration Service

● AS-WLAN-CNSLT: Cisco Wireless LAN Performance and Security Assessment Service


	AIR-AP1852E-D-K9
	Cisco Wireless LAN Products
	1850 Series Access Points
	802.11ac Wave 2; 4x4:4SS; Ext Ant; D Reg Dom
	1,230.94
	2021-04-29

Cisco AIR-AP1852E-D-K9 Access Point

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