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AIR-AP521G-E-K9
802.11g Auto AP, Int Radios, Ants, ETSI Cnfg 521 Series Acce...
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AIR-AP521G-E-K9 is a high-performance dual-band 802.11ac Wave 2 indoor access point built for enterprise-grade wireless connectivity. It operates on both 2.4GHz and 5GHz frequencies and delivers up to 1Gbps data rates through advanced technologies such as MU-MIMO and beamforming, ensuring fast and reliable network performance even in high-density environments.
Designed with flexible installation in mind, this compact access point supports both ceiling and wall mounting, making it an ideal choice for large offices, educational institutions, and retail spaces. With integrated security features like WPA2 and 802.1X and robust on-premises management capabilities, AIR-AP521G-E-K9 provides secure and scalable connectivity tailored to demanding enterprise settings.
AIR-AP521G-E-K9 price is $263.00, a 47.3% saving from the Cisco list price of $499.00. AIR-AP521G-E-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-AP521G-E-K9 for additional pricing. Browse the full Cisco 521 Access Point series or explore all Cisco products.
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| AIR-AP521G-E-K9 |  AIR-AP521G-A-K9 |  AIR-LAP521G-E-K9 |  AIR-AP521G-P-K9 |  AIR-LAP521G-P-K9 | |
|---|---|---|---|---|---|
| Antenna Gain | N/A | 5dBi | 3dBi | N/A | N/A |
| Antenna Type | Omnidirectional | Omnidirectional | Omnidirectional | Internal Omnidirectional | Internal Omnidirectional |
| Beamforming | Yes | Yes | No | N/A | No |
| Compliance | FCC / CE / RoHS | FCC, CE, RoHS | FCC / CE / RoHS | FCC / CE / RoHS | FCC / CE / RoHS |
| Connector Type | RJ-45 | RJ-45 | RJ-45 | RJ-45 | RJ-45 |
| Coverage Area | N/A | Up to 2500 square feet | N/A | N/A | N/A |
| Data Rate | 1Gbps | Up to 1.3Gbps | 54Mbps | 54 Mbps | 54Mbps |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Ethernet Port | 1x Gigabit | 1x Gigabit | 1x 10/100 | 1x Fast Ethernet | 1x 10/100 Ethernet |
| Frequency Bands | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz | 2.4GHz | 2.4GHz |
| Height | N/A | N/A | N/A | N/A | N/A |
| MIMO Technology | MU-MIMO | MU-MIMO | N/A | N/A | N/A |
| Management Features | On-Premises | Cloud Management, On-Premises | On-Premises | N/A | SNMP / CLI |
| Max Number of Devices Supported | N/A | Up to 200 devices | N/A | N/A | N/A |
| Max Range | N/A | Approx. 200 feet | N/A | N/A | N/A |
| Memory | N/A | N/A | N/A | N/A | N/A |
| Mesh Networking | N/A | Yes | No | No | No |
| Mounting Options | Ceiling Mount / Wall Mount | Ceiling Mount, Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount | Ceiling Mount / Wall Mount |
| Outdoor Use | No | No | No | No | No |
| Power Supply | PoE | PoE | PoE | PoE | PoE |
| Processor | N/A | N/A | N/A | N/A | N/A |
| Product Name | Cisco Aironet 521 Series Access Point AIR-AP521G-E-K9 | AIR-AP521G-A-K9 | AIR-LAP521G-E-K9 | AIR-AP521G-P-K9 | Cisco Aironet 521G Access Point |
| Product Type | Wireless Product | Wireless Product | Wireless Access Point | Wireless Product | Wireless Product |
| Protocols Supported | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac | 802.11b/g / Ethernet | 802.11b/g | 802.11b/g |
| Security Features | WPA2 / 802.1X | WPA2, WPA3, 802.1X | WPA / WPA2 | WPA / WPA2 | WEP / WPA / WPA2 |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | Wi-Fi 5 | Wi-Fi 5 (802.11ac) | 802.11b/g | 802.11b/g | 802.11b/g |
| Width | N/A | N/A | N/A | N/A | N/A |
| Wireless Type | Access Point | Access Point | Access Point | Access Point | Access Point |
| Wi‑Fi Standard |
AIR-AP521G-E-K9 fit our ETSI requirements and deployed quickly. Reliable operation and stable coverage across the office.
AIR-AP521G-E-K9 has been consistent for legacy Wi-Fi. Easy autonomous setup and dependable day-to-day performance.
We use AIR-AP521G-E-K9 in a small warehouse office. Signal is stable and support tickets reduced.
AIR-AP521G-E-K9 runs reliably with minimal tuning. Good coverage for typical business applications.
AIR-AP521G-E-K9 delivered consistent uptime. Configuration was simple and documentation matched our needs.
Solid autonomous AP for ETSI environments. AIR-AP521G-E-K9 has been stable and low-maintenance.
The Cisco AIR-AP521G-E-K9 is an 802.11g autonomous access point designed for ETSI regions. It integrates radios, internal antennas, and supports up to 54 Mbps data rates for enterprise-grade wireless connectivity.
This access point supports the IEEE 802.11g standard, delivering backward compatibility with 802.11b devices and peak data rates up to 54 Mbps in the 2.4 GHz band.
The AIR-AP521G-E-K9 operates exclusively in the 2.4 GHz ISM band, compliant with ETSI regulatory requirements for European deployments.
It includes two built-in dual-polarity patch antennas, optimized for omnidirectional coverage and simplified ceiling or wall mounting without external antenna cabling.
You can power this access point via 802.3af PoE using a compatible PoE switch or midspan injector. It consumes a maximum of 7.5 W of power.
The AIR-AP521G-E-K9 supports ceiling-rail, drop-ceiling, and wall mounting using Cisco’s standard bracket kit for flexible indoor enterprise installations.
It can broadcast up to 16 virtual LANs (VLANs) by mapping each SSID to a unique VLAN, enabling segmented traffic and enhanced network security.
The device supports WPA2-PSK, WPA2-Enterprise with 802.1X authentication, MAC address filtering, and Cisco LEAP for robust wireless security.
Configuration is done through the Cisco IOS CLI or a web-based GUI. For centralized management, you can integrate it with a Cisco wireless LAN controller.
You can manage the access point via a console port (RJ-45), SSH/Telnet over IP, SNMP v2/v3, and a secure HTTP(S) web interface.
No additional license is needed for autonomous operation. If managed by a Cisco controller, you must have valid Cisco Unified Wireless Network (CUWN) licenses.
It is optimized to handle up to 25 active client sessions simultaneously, depending on application mix and traffic load.
In a typical office environment with minimal obstructions, expect up to 100–120 m² (1,076–1,292 ft²) of coverage at nominal data rates.
The unit measures 196 × 196 × 44 mm (7.7 × 7.7 × 1.7 in) and weighs approximately 0.9 kg (2 lb), including the mounting bracket.
It is ETSI EN 301 893 compliant, CE marked, RoHS-compliant, and operates in temperatures from 0 °C to 40 °C with 10%–90% noncondensing humidity.
This model suits small to medium office deployments, retail shops, classrooms, and branch locations requiring reliable 2.4 GHz wireless connectivity without external antennas.
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