Cisco AIR‑AP1852I‑D‑K9 – Aironet 1850 Series Indoor Access Point, Internal Antennas, D Regulatory Domain
Model Name : AIR‑AP1852I‑D‑K9
Brand : Cisco
Key Features
- 4×4:4 SU‑MIMO & 4×4:3 MU‑MIMO with Beamforming, supporting 1.7 Gbps PHY rate on 5 GHz and Multi-User speeds across clients.
- Supports 20/40/80 MHz channels, DFS, CSD, packet aggregation (A‑MPDU, A‑MSDU) for high-performance data transmission.
- Internal integrated omni-directional antennas (approx. 3 dBi at 2.4 GHz; 5 dBi at 5 GHz) in D regulatory domain, compliant with India/Asia frequency plans.
- Power over Ethernet support (802.3at PoE+), with auxiliary Ethernet port for link aggregation/upto 2 Gb uplink.
- Management interfaces include console RJ‑45 and USB 2.0 (future-release-enabled). LED indicators support boot, registration, power, and error states.
1 Year Warranty
Condition : Refurbished
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- Description
- Specification
- Reviews
AIR‑AP1852I‑D‑K9 is a high-performance, indoor enterprise-class Wi-Fi access point from Cisco's Aironet 1850 Series.
It delivers 802.11ac Wave 2, using 4×4 single-user (SU-MIMO) and 3‑stream multi-user (MU-MIMO) to offer speeds up to 1.7 Gbps on the 5 GHz band and up to 600 Mbps on 2.4 GHz.
Designed with internal omnidirectional antennas, it supports advanced Cisco wireless features including beamforming, dynamic frequency selection (DFS), clean air interference detection, and mobility optimization.
Managed via AireOS-based controllers or Cisco Catalyst switches with built‑in wireless controller capabilities.
FAQ – Frequently Asked Questions
Q1: What is the difference between the 'I', 'E', and 'A' versions?
A: The suffix indicates the regulatory domain: D = India/Asia A = Americas F = Europe/UK
Q2: What is the maximum supported PHY rate?
A: Up to 1.7 Gbps on the 5 GHz band using 80 MHz channels and single‑user SU‑MIMO; aggregated dual‑radio throughput reaches ~2.0 Gbps
Q3: Which deployment modes are supported?
A: Supports centralized controller-based deployments, FlexConnect, Mobility Express, sniffer/monitor, office-extend, mesh, and standalone modes.
Q4: What power options are available?
A: Supports 802.3at PoE+, Cisco UPOE (if switch supports), or optional injector like AIR‑PWRINJ4=. The AUX port can serve for link aggregation only when adequate power is available
Q5: What is its lifecycle status?
A: The Aironet 1850 Series was marked End-of-Sale on May 1, 2022, with End-of-Support slated for April 30, 2027.
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