The Cisco AIR-AP2802I-E-K9 is an 802.11ac Wave 2 wireless access point built for dense, high-throughput deployments at a lower price point than Cisco's top-tier APs. Here's what it does, its core specs, and where it typically gets used.
What Is a Wireless Access Point?
A wireless access point bridges wired network infrastructure to Wi-Fi clients, letting devices join the network without a cable run. Capacity, interference handling, and client density are what separate an access point built for a small office from one built for a crowded venue or campus.
Key Specs of the Cisco AIR-AP2802I-E-K9:
- 802.11ac Wave 2: Up to 2.6 Gbps per radio.
- MU-MIMO: Three spatial streams, serving multiple clients at once instead of queuing them one at a time.
- High Density Experience (HDX): Hardware and software tuned for crowded client environments.
- Dual 5-GHz Radio Support: An optional second 5-GHz radio for more over-the-air capacity.
- 160-MHz Channel Support: Switches between wider and narrower channels depending on available spectrum.
- CleanAir Technology: Monitors the spectrum for interference and adjusts around it.
- ClientLink 4.0: Improves downlink signal quality and battery life on client devices.
- Auto Link Aggregation (802.3ad/LACP): Combines Ethernet uplinks for more backhaul throughput.
- Cisco Mobility Express: Runs a controller function on the AP itself, so a standalone deployment doesn't need a separate wireless controller.
Applications:
- Dense Office and Campus Wi-Fi: HDX and MU-MIMO keep performance up as client counts climb.
- Controller-less Deployments: Cisco Mobility Express covers small-to-medium sites without a dedicated controller appliance.
- Mixed-Device Environments: ClientLink 4.0 and dual-band operation cover a wide range of client hardware, from laptops to battery-powered handhelds.