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AIR-AP521G-A-K9
802.11g Auto AP, Int Radios, Ants, FCC Cnfg 521 Series Acces...
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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.
AIR-AP521G-A-K9 price is $263.00, a 47.3% saving from the Cisco list price of $499.00. AIR-AP521G-A-K9 is in stock and available for next-day dispatch. (terms applied)
Request bulk order quote for AIR-AP521G-A-K9 for additional pricing. Browse the full Cisco 521 Access Point series or explore all Cisco products.
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| AIR-AP521G-A-K9 |  AIR-AP521G-P-K9 |  AIR-AP521G-E-K9 |  AIR-LAP521G-P-K9 |  AIR-LAP521G-E-K9 | |
|---|---|---|---|---|---|
| Antenna Gain | 5dBi | N/A | N/A | N/A | 3dBi |
| Antenna Type | Omnidirectional | Internal Omnidirectional | Omnidirectional | Internal Omnidirectional | Omnidirectional |
| Beamforming | Yes | N/A | Yes | No | 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 | Up to 2500 square feet | N/A | N/A | N/A | N/A |
| Data Rate | Up to 1.3Gbps | 54 Mbps | 1Gbps | 54Mbps | 54Mbps |
| Depth | N/A | N/A | N/A | N/A | N/A |
| Ethernet Port | 1x Gigabit | 1x Fast Ethernet | 1x Gigabit | 1x 10/100 Ethernet | 1x 10/100 |
| Frequency Bands | 2.4GHz / 5GHz | 2.4GHz | 2.4GHz / 5GHz | 2.4GHz | 2.4GHz |
| Height | N/A | N/A | N/A | N/A | N/A |
| MIMO Technology | MU-MIMO | N/A | MU-MIMO | N/A | N/A |
| Management Features | Cloud Management, On-Premises | N/A | On-Premises | SNMP / CLI | On-Premises |
| Max Number of Devices Supported | Up to 200 devices | N/A | N/A | N/A | N/A |
| Max Range | Approx. 200 feet | N/A | N/A | N/A | N/A |
| Memory | N/A | N/A | N/A | N/A | N/A |
| Mesh Networking | Yes | No | N/A | 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 | AIR-AP521G-A-K9 | AIR-AP521G-P-K9 | Cisco Aironet 521 Series Access Point AIR-AP521G-E-K9 | Cisco Aironet 521G Access Point | AIR-LAP521G-E-K9 |
| Product Type | Wireless Product | Wireless Product | Wireless Product | Wireless Product | Wireless Access Point |
| Protocols Supported | 802.11a/b/g/n/ac | 802.11b/g | 802.11a/b/g/n/ac | 802.11b/g | 802.11b/g / Ethernet |
| Security Features | WPA2, WPA3, 802.1X | WPA / WPA2 | WPA2 / 802.1X | WEP / WPA / WPA2 | WPA / WPA2 |
| Weight | N/A | N/A | N/A | N/A | N/A |
| Wi-Fi Standard | Wi-Fi 5 (802.11ac) | 802.11b/g | Wi-Fi 5 | 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-A-K9 is reliable in autonomous deployments. Setup was clear, coverage is consistent, and performance stays stable for daily business traffic.
We deployed AIR-AP521G-A-K9 in a small branch. Stable signal and simple management for a lean IT team.
AIR-AP521G-A-K9 worked well for legacy client devices. Consistent connectivity and good overall reliability.
Autonomous configuration on AIR-AP521G-A-K9 was straightforward. It has run continuously with no unexpected resets.
AIR-AP521G-A-K9 provided predictable coverage in office rooms. Solid performance and low operational overhead.
AIR-AP521G-A-K9 is a dependable access point for basic needs. Reliable uptime and easy integration with our network.
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.
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.
Cisco Auto RF dynamically optimizes channel and power settings to maintain consistent performance and minimize interference.
Yes, it is IEEE 802.3af PoE-compliant for simplified deployment over existing Ethernet cabling without external power adapters.
It features four integrated 3 dBi dipole antennas for uniform indoor coverage up to 100 feet.
It operates exclusively on the 2.4 GHz ISM band, supporting both legacy and contemporary Wi-Fi clients.
The FCC configuration is factory-set with pre-certified frequencies and power levels to ensure regulatory compliance in North America.
It can support up to 50 simultaneous client associations, depending on traffic patterns and environmental factors.
The access point delivers a maximum PHY rate of 54 Mbps using 802.11g modulation.
Yes, it integrates seamlessly with Cisco Wireless LAN Controllers running 7.x or later firmware for centralized management.
The unit mounts easily to walls or ceilings using the included bracket and fits standard T-bar ceiling tiles.
Firmware upgrades are performed via the Cisco Wireless LAN Controller GUI or CLI by uploading the IOS image file.
Security features include WPA2-PSK/EAP, 802.1X authentication, rogue AP detection, and wireless intrusion prevention.
It is ideal for office spaces, retail environments, and educational campuses requiring reliable 2.4 GHz coverage.
Cisco provides a limited lifetime hardware warranty and optional SMARTnet support for advanced replacement and TAC access.
Genuine accessories and spare parts are available through Cisco authorized resellers and the Cisco e-Store.
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