Overview
The Cisco AIR-AP1852E-E-K9 is a high-performance 802.11ac Wave 2 access point designed for small and medium-sized networks. With enterprise-class 4×4 MIMO and support for four spatial streams, it ensures excellent wireless coverage, capacity, and speed. This model features external antennas (sold separately) and operates within the E Regulatory Domain.
Key Features
- 802.11ac Wave 2 support with 4×4 MIMO and up to 4 spatial streams
- Data rates up to 1.7 Gbps on 5 GHz (80 MHz channels)
- Supports Multiuser MIMO (MU-MIMO) and Single-user MIMO
- Transmit Beamforming for improved performance and device battery life
- Flexible deployment via Mobility Express (controllerless) or centralized options
- External antenna support up to 6 dBi (2.4/5 GHz)
- Rogue device detection and dynamic frequency selection (DFS)
Software Compatibility
- Cisco Unified Wireless Network with AireOS Controllers
- Minimum required version: 8.1 MR1 or later
Deployment Modes
- Centralized
- Standalone
- Cisco FlexConnect
- Monitor
- Sniffer
- OfficeExtend
- Mesh
Supported Wireless LAN Controllers
- Cisco 2500, 5500, 5760, 8500 Series
- WiSM2 for Catalyst 6500
- ISR G2 Wireless Controller Module
- Catalyst 3650/3850 Switches with integrated controller
- Cisco Flex 7500 Series
- Cisco Mobility Express
Wireless Capabilities
802.11n (v2.0) Features
- 4×4 MIMO with four spatial streams
- Up to 600 Mbps (40 MHz on 5 GHz)
- Packet aggregation (A-MPDU & A-MSDU), MRC, CSD, DFS
802.11ac Wave 1 & 2 Features
- SU-MIMO (4×4:4) and MU-MIMO (4×4:3)
- Beamforming, MRC, CSD, DFS
- Up to 1.7 Gbps PHY rate (80 MHz in 5 GHz)
- Packet aggregation (A-MPDU & A-MSDU)
Regulatory Domain: E
2.4 GHz: 2.412–2.472 GHz (3 channels)
5 GHz:
- 5.180–5.320 GHz (8 channels)
- 5.500–5.700 GHz (8 channels)
Interfaces & Connectivity
- 1x 10/100/1000BASE-T (RJ-45) – PoE
- 1x 10/100/1000BASE-T (RJ-45) – AUX (for Link Aggregation)
- 1x Management Console Port (RJ-45)
- 1x USB 2.0 Port (enabled via future software)
LED Indicators
- Status LED indicates system boot, association, operation status, and errors
Physical Specifications
- Dimensions: 8.3 × 8.3 × 2 in. (210.8 × 210.8 × 50.8 mm)
- Weight: Approx. 3.12 lb (1.41 kg)
Environmental Specifications
- Operating Temperature: -4°F to 122°F (-20°C to 50°C)
- Storage Temperature: -22°F to 158°F (-30°C to 70°C)
- Operating Humidity: 10% to 90% (non-condensing)
- Operating Altitude: Up to 9843 ft
- Storage Altitude: Up to 15,000 ft at 25°C
System Memory
- 1 GB DRAM
- 256 MB Flash
Power Requirements
- Input Voltage: 44–57 VDC
- AC Power Supply: 100–240 VAC, 50–60 Hz
- Power Draw: 20.9W
Powering Options
- 802.3at, Enhanced PoE
- Cisco AIR-PWR-C= (local power supply)
- Cisco AIR-PWRINJ4= / AIR-PWRINJ5= (injectors)
Warranty
- 1-Year Limited Warranty


