Aironet 1852E Dual‑Band External‑Antenna Access Point
Product Description
The Cisco AIR-AP1852E-E-K9 is a high‑performance enterprise Wi‑Fi access point from Cisco based on the 802.11ac Wave 2 standard, with external antenna support optimized for flexible coverage and signal shaping. It delivers reliable wireless connectivity with support for multi‑user MIMO and advanced RF features, suitable for office environments, classrooms, retail floors, and medium to high‑density deployments.
The “E” (External) variant allows you to connect external antennas for tailored coverage patterns or extended range, making it ideal where directional antennas or specific RF planning are needed.
Model Type
Dual‑Band 802.11ac Wave 2 External‑Antenna Access Point
Category
Networking – Enterprise Wireless Infrastructure
Key Features
802.11ac Wave 2 Wi‑Fi — Dual‑band access with 4×4 MIMO and up to four spatial streams for high throughput and enhanced reliability.
External Antenna Support — Allows connection of external antennas (sold separately) for customized coverage and RF design.
High Performance — PHY data rates up to ~1.7 Gbps using 80 MHz channels in the 5 GHz band.
Multi‑User MIMO (MU‑MIMO) — Improves simultaneous performance with multiple client devices.
RF Optimization Technologies — Includes features like beamforming, Maximal Ratio Combining (MRC), DFS, and packet aggregation.
Flexible Deployment Modes — Supports centralized (controller‑based), standalone, FlexConnect, mesh, monitor, OfficeExtend and sniffer modes.
Cisco Unified Wireless Management — Works with Cisco Wireless LAN Controllers and Mobility Express for centralized configuration and analytics.
Enterprise Security & Analytics — Rogue device detection and advanced RF monitoring.
Technical Specs at a Glance
| Specification | Details |
|---|---|
| Model | AIR-AP1852E‑E‑K9 |
| Wi‑Fi Standard | IEEE 802.11ac Wave 2 |
| Radios | Dual‑band 4×4:4 |
| Max PHY Data Rate | Up to ~1.7 Gbps (80 MHz) |
| Antennas | External antenna connectors (external antennas required) |
| Ethernet | 1× 10/100/1000 RJ‑45 (PoE), 1× AUX RJ‑45 |
| Management | Cisco WLC / Mobility Express / Standalone |
| Power | PoE (802.3at) / enhanced PoE / Cisco injectors |
| Deployment | Indoor ceiling/wall mount |
| Dimensions | ~210.8 × 210.8 × 50.8 mm |
| Weight | ~1.41 kg |
| (Based on multiple vendor datasheets and specifications) |
Typical Use Cases
Enterprise WPA/Wi‑Fi Networks — High‑capacity connectivity in offices, meeting rooms, and workspaces.
Custom RF Deployments — External antenna support lets you tune coverage patterns for specific building layouts.
Retail & High‑Density Areas — Supports many concurrent devices with MU‑MIMO and RF optimization.
Controller & Controller‑Less Management — Works with Cisco WLCs or Mobility Express for flexible wireless control.
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