Cisco Aironet 1852i Access Point - AIR-AP1852I-S-K9C Overview
Cisco Aironet 1852i Access Point - AIR-AP1852I-S-K9C is a genuine wireless coverage and secure client access product from Cisco, a leading enterprise networking vendor whose Catalyst, Nexus and ISR families power campus, data-center and branch networks worldwide. Belonging to the Cisco family, the AIR-AP1852I-S-K9C unit is built to the original factory specification, so it integrates with existing Cisco deployments predictably and behaves exactly as the platform documentation describes. In the network, it is deployed as a standalone unit or as part of a larger managed network, following the standard operating procedures of the platform.
This unit follows the original factory specification for the Cisco family, covering its intended role without compatibility surprises. Standard mounting, cabling and management practices apply, and it interoperates with surrounding hardware using the same procedures as other Cisco equipment already deployed in the network.
Typical deployments include high-density wireless for offices and halls, branch and remote-site Wi-Fi coverage, and guest networks and IoT onboarding. Organizations commonly source it for refresh programs, capacity expansion and spares management, keeping a tested unit on hand so outages stay short and replacements are predictable. The factory detail for this unit reads: “802.11ac Wave 2 Access Point, 4x4:4, Internal Antenna, S Regulatory Domain, Configurable”. This makes it a practical choice when original-spec hardware is required at a predictable cost.
Every unit at LinkNewNet is inspected and tested before dispatch, and stock is graded, cleaned and verified for correct operation, including port status, console access and firmware state. Our warranty coverage and responsive technical support protect the purchase after it arrives, and our team can confirm revision levels and software compatibility before you order. For volume requirements we also offer configuration checks and staged delivery options.
Contact our sales team for current availability, lead time and shipping options for the AIR-AP1852I-S-K9C. We respond quickly with stock status and a firm quote, so you can plan the refresh or expansion with confidence.
Key Specifications
Applications
Campus Coverage
High-density wireless for offices and halls.
Branch Wi-Fi
Cost-effective coverage for remote sites.
Guest & IoT
Isolated guest networks and IoT onboarding.
Buying a Pre-Owned AIR-AP1852I-S-K9C
Verify the unit is tested, firmware confirmed, and condition documented. Every unit is fully tested and warranty covered. Contact our team for current stock and availability.
AIR-AP1852I-S-K9C Specifications | |
Description | 802.11ac Wave 2 Access Point, 4x4:4, Internal-Ant, S Regulatory Domain ★ Model number ending in C is, by default, factory-shipped with a Cisco Mobility Express software image. |
Software | Cisco Unified Wireless Network Software Release with AireOS wireless controllers: 8.1 MR1 or later for the Cisco Aironet 1850 Series Access Points |
Regulatory Domain | 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 |
Deployment modes | Centralized local, Standalone, Sniffer, Cisco FlexConnect, Monitor, OfficeExtend, Mesh |
Supported wireless LAN controllers | Cisco 2500 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 5760 Series Wireless Controllers, Cisco Catalyst 3650/3850 Series switch 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 |
Integrated antenna | 2.4 GHz, gain 3 dBi, internal omni, horizontal beamwidth 360° 5 GHz, gain 5 dBi, internal omni, horizontal beamwidth 360° |
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 40°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 |







