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AIR-AP521G-A-K9
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- 802.11g Auto AP, Int Radios, Ants, FCC Cnfg 521 Series Access Points
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AIR-AP521G-A-K9
802.11g Auto AP, Int Radios, Ants, FCC Cnfg 521 Se...
$499.00
$263.00
38 in Global Warehouse
$263.00
47% off
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AIR-AP521G-A-K9 Overview
AIR-AP521G-A-K9 is a high-performance wireless access point engineered for indoor environments that demand robust connectivity and high data throughput. It supports dual-band operation on both 2.4GHz and 5GHz frequency bands with 802.11ac (Wi-Fi 5) technology to deliver up to 1.3Gbps of aggregated data rate. This model features advanced MU‑MIMO and beamforming capabilities combined with an internal omnidirectional antenna offering approximately 5dBi of gain, ensuring reliable signal distribution across large office spaces and other high-density settings.
Designed with versatile deployment in mind, the AIR-AP521G-A-K9 offers flexible installation options including ceiling and wall mounting. It has an RJ‑45 connector for simplified network integration and supports Power over Ethernet (PoE) for easier power management. Ideal for environments requiring efficient management and enhanced security, this access point also integrates cloud and on‑premises management features along with WPA2, WPA3, and 802.1X for robust security compliance with FCC, CE, and RoHS standards.
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AIR-AP521G-A-K9 Specifications
| Product Type | Wireless Product |
| Wireless Type | Access Point |
| Wi-Fi Standard | Wi-Fi 5 (802.11ac) |
| Frequency Bands | 2.4GHz / 5GHz |
| Data Rate | Up to 1.3Gbps |
| Max Range | Approx. 200 feet |
| Coverage Area | Up to 2500 square feet |
| Connector Type | RJ-45 |
| Antenna Type | Omnidirectional |
| Antenna Gain | 5dBi |
| MIMO Technology | MU-MIMO |
| Beamforming | Yes |
| Mounting Options | Ceiling Mount, Wall Mount |
| Power Supply | PoE |
| Mesh Networking | Yes |
| Ethernet Port | 1x Gigabit |
| Max Number Of Devices Supported | Up to 200 devices |
| Protocols Supported | 802.11a/b/g/n/ac |
| Management Features | Cloud Management, On-Premises |
| Security Features | WPA2, WPA3, 802.1X |
| Compliance | FCC, CE, RoHS |
| Processor | N/A |
| Memory | N/A |
| Outdoor Use | No |
| Product Name | AIR-AP521G-A-K9 |
| Height | N/A |
| Width | N/A |
| Depth | N/A |
| Weight | N/A |
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table
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| Antenna Gain | 3dBi | N/A | 5dBi | N/A | N/A |
| Antenna Type | Omnidirectional | Internal Omnidirectional | Omnidirectional | Omnidirectional | Internal Omnidirectional |
| Beamforming | No | No | Yes | Yes | N/A |
| 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 | N/A | Up to 2500 square feet | N/A | N/A |
| Data Rate | 54Mbps | 54Mbps | Up to 1.3Gbps | 1Gbps | 54 Mbps |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Ethernet Port | 1x 10/100 | 1x 10/100 Ethernet | 1x Gigabit | 1x Gigabit | 1x Fast Ethernet |
| Frequency Bands | 2.4GHz | 2.4GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz |
| Height | N/A | N/A | N/A | N/A | N/A |
| Management Features | On-Premises | SNMP / CLI | Cloud Management, On-Premises | On-Premises | N/A |
| Max Number of Devices Supported | N/A | N/A | Up to 200 devices | N/A | N/A |
| Max Range | N/A | N/A | Approx. 200 feet | N/A | N/A |
| Memory | N/A | N/A | N/A | N/A | N/A |
| Mesh Networking | No | No | Yes | N/A | No |
| MIMO Technology | N/A | N/A | MU-MIMO | MU-MIMO | N/A |
| 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 | AIR-LAP521G-E-K9 | Cisco Aironet 521G Access Point | AIR-AP521G-A-K9 | Cisco Aironet 521 Series Access Point AIR-AP521G-E-K9 | AIR-AP521G-P-K9 |
| Product Type | Wireless Access Point | Wireless Product | Wireless Product | Wireless Product | Wireless Product |
| Protocols Supported | 802.11b/g / Ethernet | 802.11b/g | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac | 802.11b/g |
| Security Features | WPA / WPA2 | WEP / WPA / WPA2 | WPA2, WPA3, 802.1X | WPA2 / 802.1X | WPA / WPA2 |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | 802.11b/g | 802.11b/g | Wi-Fi 5 (802.11ac) | Wi-Fi 5 | 802.11b/g |
| Wi‑Fi Standard | - | - | - | - | - |
| Width | N/A | N/A | N/A | N/A | N/A |
| Wireless Type | Access Point | Access Point | Access Point | Access Point | Access Point |
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Questions & Answers
Q
What is the Cisco AIR-AP521G-A-K9 802.11g Access Point?
A
The Cisco AIR-AP521G-A-K9 is an indoor, controller-based Aironet 521 Series access point providing robust 802.11g wireless coverage for small to medium enterprises.
Q
Which 802.11 standards does the AIR-AP521G-A-K9 support?
A
It supports dual-mode 802.11b/g operation with auto channel selection to deliver up to 54 Mbps data rates on the 2.4 GHz band.
Q
What is Cisco Auto RF management?
A
Cisco Auto RF dynamically optimizes channel and power settings to maintain consistent performance and minimize interference.
Q
Does the AIR-AP521G-A-K9 support Power over Ethernet (PoE)?
A
Yes, it is IEEE 802.3af PoE-compliant for simplified deployment over existing Ethernet cabling without external power adapters.
Q
What are the antenna specifications of the AIR-AP521G-A-K9?
A
It features four integrated 3 dBi dipole antennas for uniform indoor coverage up to 100 feet.
Q
Which radio frequency bands are supported by this access point?
A
It operates exclusively on the 2.4 GHz ISM band, supporting both legacy and contemporary Wi-Fi clients.
Q
How is FCC configuration handled on the AIR-AP521G-A-K9?
A
The FCC configuration is factory-set with pre-certified frequencies and power levels to ensure regulatory compliance in North America.
Q
How many clients can the AIR-AP521G-A-K9 support simultaneously?
A
It can support up to 50 simultaneous client associations, depending on traffic patterns and environmental factors.
Q
What is the maximum wireless data rate of this access point?
A
The access point delivers a maximum PHY rate of 54 Mbps using 802.11g modulation.
Q
Is the AIR-AP521G-A-K9 compatible with Cisco wireless LAN controllers?
A
Yes, it integrates seamlessly with Cisco Wireless LAN Controllers running 7.x or later firmware for centralized management.
Q
What installation and mounting options are available?
A
The unit mounts easily to walls or ceilings using the included bracket and fits standard T-bar ceiling tiles.
Q
How do I perform a firmware upgrade on the AIR-AP521G-A-K9?
A
Firmware upgrades are performed via the Cisco Wireless LAN Controller GUI or CLI by uploading the IOS image file.
Q
What security features are included with the AIR-AP521G-A-K9?
A
Security features include WPA2-PSK/EAP, 802.1X authentication, rogue AP detection, and wireless intrusion prevention.
Q
What are typical use cases for the AIR-AP521G-A-K9?
A
It is ideal for office spaces, retail environments, and educational campuses requiring reliable 2.4 GHz coverage.
Q
What warranty and support options are available for this access point?
A
Cisco provides a limited lifetime hardware warranty and optional SMARTnet support for advanced replacement and TAC access.
Q
Where can I purchase spare parts or accessories for the AIR-AP521G-A-K9?
A
Genuine accessories and spare parts are available through Cisco authorized resellers and the Cisco e-Store.
