Cisco Aironet 521 AIR-AP521G-A-K9 802.11g Wireless Access Point PoE Business Wty
Cisco Aironet 521 — 802.11g Business Wireless Access Point (AIR-AP521G-A-K9)
The Cisco Aironet 521 (AIR-AP521G-A-K9) is a business-class 802.11b/g wireless access point built for small and medium-sized offices. It delivers reliable 2.4 GHz WiFi with enterprise-grade security and is powered over Ethernet, so a single cable carries both data and power to the unit. Part of the Cisco Mobility Express / Smart Business Communications System, it pairs with the Cisco 526 Wireless Express Mobility Controller for centralised management. Backed by a 12-month Reboot IT warranty and professionally tested at our Melbourne facility.
Key Benefits
- 802.11b/g business WiFi: Reliable 2.4 GHz wireless coverage up to 54 Mbps, designed for office, retail, and light-industrial environments.
- Power over Ethernet: IEEE 802.3af PoE means a single cable carries both data and power — no separate power outlet needed at the mounting location.
- Centralised management: Works with the Cisco 526 Wireless Express Mobility Controller for zero-touch configuration and consistent policy across multiple access points.
- Enterprise security: Supports WPA/WPA2, 802.1X authentication, and multiple SSIDs to separate staff and guest traffic.
- Cost-effective legacy support: An affordable way to keep an existing Cisco 521/526 wireless deployment running, or to add a spare/replacement unit.
- 12-month Reboot IT warranty: Professionally inspected, tested, and graded at our Melbourne facility — Australian warranty and support since 2001.
Performance in Use
The Aironet 521 was designed as part of Cisco's Smart Business Communications System — an all-in-one voice, data, and wireless solution aimed at small and medium businesses. Deployed with a Cisco 526 controller, multiple 521 access points can be managed as a single wireless network, with the controller handling channel assignment, security policy, and roaming between APs so staff stay connected as they move around the premises.
As an 802.11b/g access point, the 521 operates in the 2.4 GHz band and is well suited to general office use — email, web, line-of-business applications, and barcode scanners or handheld terminals that connect over 2.4 GHz WiFi. Power over Ethernet simplifies installation: mount the unit on a wall or ceiling, run one Ethernet cable back to a PoE switch or injector, and the access point powers up with no local outlet required.
This is a legacy platform, best suited to maintaining or extending an existing Cisco 521/526 environment rather than a new high-density 802.11ac/WiFi 6 build. For sites still running the Smart Business Communications System, it remains a practical and economical way to keep wireless coverage online.
Technical Specifications
| Specification | Detail |
|---|---|
| Model | Cisco AIR-AP521G-A-K9 (Aironet 521) |
| WiFi Standard | 802.11b/g, 2.4 GHz single-band |
| Max Data Rate | Up to 54 Mbps (802.11g) |
| Power | IEEE 802.3af Power over Ethernet (single-cable deployment) |
| Network Port | 1× 10/100 Mbps Ethernet (RJ-45) |
| Management | Cisco 526 Wireless Express Mobility Controller (SBCS); standalone web GUI |
| Security | WPA/WPA2, 802.1X, multiple SSIDs |
| Regulatory Domain | -A (Americas / FCC) |
| Mounting | Wall or ceiling mount |
| Warranty | 12-month Reboot IT warranty |
Is It Right for You?
|
✓ Best For: • Existing Cisco 521/526 (SBCS) wireless sites • Small and medium office 2.4 GHz WiFi • PoE-based installs with no local power outlet • Spare or replacement access point units • Budget-conscious legacy Cisco deployments |
✗ Not Recommended For: • High-density or high-throughput WiFi (choose 802.11ac / WiFi 6) • 5 GHz-only or dual-band requirements • Non-Cisco wireless environments • Outdoor installations — indoor model only |
Condition Grades
| Grade | Cosmetic Condition | Functional Condition |
|---|---|---|
| A — Excellent | Minimal marks or scratches only visible on close inspection. No cracks or structural damage. | Fully tested. Radio, Ethernet port, and LEDs verified operational. |
| B — Good | Light wear consistent with enterprise deployment — minor scuffs or marks on housing. | Fully tested. Radio, Ethernet port, and LEDs verified operational. |
Frequently Asked Questions
Does this access point need a controller?
In a Cisco Smart Business Communications System it is managed by a Cisco 526 Wireless Express Mobility Controller, which handles configuration and roaming across multiple 521 APs. It can also be configured standalone via its web interface for a single-AP site.
Is a power adapter included?
No. The unit is powered via 802.3af Power over Ethernet from a PoE switch or injector. A PoE injector can be purchased separately if your switch does not supply PoE.
What wireless speeds does it support?
The Aironet 521 is an 802.11b/g access point operating on the 2.4 GHz band, with a maximum data rate of 54 Mbps. It is a legacy platform and does not support 802.11n/ac or 5 GHz.
Is this suitable for a new WiFi network?
It is best suited to maintaining or extending an existing Cisco 521/526 deployment. For a new build requiring high throughput or many concurrent devices, a modern 802.11ac or WiFi 6 access point is a better choice.
What shipping options are available?
Shipping costs apply based on size and destination — rates are calculated at checkout.
What does the 12-month warranty cover?
Reboot IT's 12-month warranty covers hardware defects and functional failures. Physical damage caused after delivery is excluded. Contact our Melbourne support team for warranty claims.
Warranty & About Reboot IT
12-Month Warranty Included — Every Cisco Aironet 521 sold by Reboot IT is backed by a full 12-month warranty. If a hardware fault develops, we repair or replace at no cost to you.
About Reboot IT — Melbourne-based since 2001, Reboot IT is one of Australia's most established certified refurbished IT retailers. Every unit is professionally inspected, tested, and graded before sale. We specialise in enterprise networking and compute equipment sourced from Australian business and government decommissions.
Shop with confidence — Australian-owned, Australian-stocked, Australian warranty support.
Original: $13.30
-65%$13.30
$4.66More Images
Cisco Aironet 521 AIR-AP521G-A-K9 802.11g Wireless Access Point PoE Business Wty
Cisco Aironet 521 — 802.11g Business Wireless Access Point (AIR-AP521G-A-K9)
The Cisco Aironet 521 (AIR-AP521G-A-K9) is a business-class 802.11b/g wireless access point built for small and medium-sized offices. It delivers reliable 2.4 GHz WiFi with enterprise-grade security and is powered over Ethernet, so a single cable carries both data and power to the unit. Part of the Cisco Mobility Express / Smart Business Communications System, it pairs with the Cisco 526 Wireless Express Mobility Controller for centralised management. Backed by a 12-month Reboot IT warranty and professionally tested at our Melbourne facility.
Key Benefits
- 802.11b/g business WiFi: Reliable 2.4 GHz wireless coverage up to 54 Mbps, designed for office, retail, and light-industrial environments.
- Power over Ethernet: IEEE 802.3af PoE means a single cable carries both data and power — no separate power outlet needed at the mounting location.
- Centralised management: Works with the Cisco 526 Wireless Express Mobility Controller for zero-touch configuration and consistent policy across multiple access points.
- Enterprise security: Supports WPA/WPA2, 802.1X authentication, and multiple SSIDs to separate staff and guest traffic.
- Cost-effective legacy support: An affordable way to keep an existing Cisco 521/526 wireless deployment running, or to add a spare/replacement unit.
- 12-month Reboot IT warranty: Professionally inspected, tested, and graded at our Melbourne facility — Australian warranty and support since 2001.
Performance in Use
The Aironet 521 was designed as part of Cisco's Smart Business Communications System — an all-in-one voice, data, and wireless solution aimed at small and medium businesses. Deployed with a Cisco 526 controller, multiple 521 access points can be managed as a single wireless network, with the controller handling channel assignment, security policy, and roaming between APs so staff stay connected as they move around the premises.
As an 802.11b/g access point, the 521 operates in the 2.4 GHz band and is well suited to general office use — email, web, line-of-business applications, and barcode scanners or handheld terminals that connect over 2.4 GHz WiFi. Power over Ethernet simplifies installation: mount the unit on a wall or ceiling, run one Ethernet cable back to a PoE switch or injector, and the access point powers up with no local outlet required.
This is a legacy platform, best suited to maintaining or extending an existing Cisco 521/526 environment rather than a new high-density 802.11ac/WiFi 6 build. For sites still running the Smart Business Communications System, it remains a practical and economical way to keep wireless coverage online.
Technical Specifications
| Specification | Detail |
|---|---|
| Model | Cisco AIR-AP521G-A-K9 (Aironet 521) |
| WiFi Standard | 802.11b/g, 2.4 GHz single-band |
| Max Data Rate | Up to 54 Mbps (802.11g) |
| Power | IEEE 802.3af Power over Ethernet (single-cable deployment) |
| Network Port | 1× 10/100 Mbps Ethernet (RJ-45) |
| Management | Cisco 526 Wireless Express Mobility Controller (SBCS); standalone web GUI |
| Security | WPA/WPA2, 802.1X, multiple SSIDs |
| Regulatory Domain | -A (Americas / FCC) |
| Mounting | Wall or ceiling mount |
| Warranty | 12-month Reboot IT warranty |
Is It Right for You?
|
✓ Best For: • Existing Cisco 521/526 (SBCS) wireless sites • Small and medium office 2.4 GHz WiFi • PoE-based installs with no local power outlet • Spare or replacement access point units • Budget-conscious legacy Cisco deployments |
✗ Not Recommended For: • High-density or high-throughput WiFi (choose 802.11ac / WiFi 6) • 5 GHz-only or dual-band requirements • Non-Cisco wireless environments • Outdoor installations — indoor model only |
Condition Grades
| Grade | Cosmetic Condition | Functional Condition |
|---|---|---|
| A — Excellent | Minimal marks or scratches only visible on close inspection. No cracks or structural damage. | Fully tested. Radio, Ethernet port, and LEDs verified operational. |
| B — Good | Light wear consistent with enterprise deployment — minor scuffs or marks on housing. | Fully tested. Radio, Ethernet port, and LEDs verified operational. |
Frequently Asked Questions
Does this access point need a controller?
In a Cisco Smart Business Communications System it is managed by a Cisco 526 Wireless Express Mobility Controller, which handles configuration and roaming across multiple 521 APs. It can also be configured standalone via its web interface for a single-AP site.
Is a power adapter included?
No. The unit is powered via 802.3af Power over Ethernet from a PoE switch or injector. A PoE injector can be purchased separately if your switch does not supply PoE.
What wireless speeds does it support?
The Aironet 521 is an 802.11b/g access point operating on the 2.4 GHz band, with a maximum data rate of 54 Mbps. It is a legacy platform and does not support 802.11n/ac or 5 GHz.
Is this suitable for a new WiFi network?
It is best suited to maintaining or extending an existing Cisco 521/526 deployment. For a new build requiring high throughput or many concurrent devices, a modern 802.11ac or WiFi 6 access point is a better choice.
What shipping options are available?
Shipping costs apply based on size and destination — rates are calculated at checkout.
What does the 12-month warranty cover?
Reboot IT's 12-month warranty covers hardware defects and functional failures. Physical damage caused after delivery is excluded. Contact our Melbourne support team for warranty claims.
Warranty & About Reboot IT
12-Month Warranty Included — Every Cisco Aironet 521 sold by Reboot IT is backed by a full 12-month warranty. If a hardware fault develops, we repair or replace at no cost to you.
About Reboot IT — Melbourne-based since 2001, Reboot IT is one of Australia's most established certified refurbished IT retailers. Every unit is professionally inspected, tested, and graded before sale. We specialise in enterprise networking and compute equipment sourced from Australian business and government decommissions.
Shop with confidence — Australian-owned, Australian-stocked, Australian warranty support.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
Cisco Aironet 521 — 802.11g Business Wireless Access Point (AIR-AP521G-A-K9)
The Cisco Aironet 521 (AIR-AP521G-A-K9) is a business-class 802.11b/g wireless access point built for small and medium-sized offices. It delivers reliable 2.4 GHz WiFi with enterprise-grade security and is powered over Ethernet, so a single cable carries both data and power to the unit. Part of the Cisco Mobility Express / Smart Business Communications System, it pairs with the Cisco 526 Wireless Express Mobility Controller for centralised management. Backed by a 12-month Reboot IT warranty and professionally tested at our Melbourne facility.
Key Benefits
- 802.11b/g business WiFi: Reliable 2.4 GHz wireless coverage up to 54 Mbps, designed for office, retail, and light-industrial environments.
- Power over Ethernet: IEEE 802.3af PoE means a single cable carries both data and power — no separate power outlet needed at the mounting location.
- Centralised management: Works with the Cisco 526 Wireless Express Mobility Controller for zero-touch configuration and consistent policy across multiple access points.
- Enterprise security: Supports WPA/WPA2, 802.1X authentication, and multiple SSIDs to separate staff and guest traffic.
- Cost-effective legacy support: An affordable way to keep an existing Cisco 521/526 wireless deployment running, or to add a spare/replacement unit.
- 12-month Reboot IT warranty: Professionally inspected, tested, and graded at our Melbourne facility — Australian warranty and support since 2001.
Performance in Use
The Aironet 521 was designed as part of Cisco's Smart Business Communications System — an all-in-one voice, data, and wireless solution aimed at small and medium businesses. Deployed with a Cisco 526 controller, multiple 521 access points can be managed as a single wireless network, with the controller handling channel assignment, security policy, and roaming between APs so staff stay connected as they move around the premises.
As an 802.11b/g access point, the 521 operates in the 2.4 GHz band and is well suited to general office use — email, web, line-of-business applications, and barcode scanners or handheld terminals that connect over 2.4 GHz WiFi. Power over Ethernet simplifies installation: mount the unit on a wall or ceiling, run one Ethernet cable back to a PoE switch or injector, and the access point powers up with no local outlet required.
This is a legacy platform, best suited to maintaining or extending an existing Cisco 521/526 environment rather than a new high-density 802.11ac/WiFi 6 build. For sites still running the Smart Business Communications System, it remains a practical and economical way to keep wireless coverage online.
Technical Specifications
| Specification | Detail |
|---|---|
| Model | Cisco AIR-AP521G-A-K9 (Aironet 521) |
| WiFi Standard | 802.11b/g, 2.4 GHz single-band |
| Max Data Rate | Up to 54 Mbps (802.11g) |
| Power | IEEE 802.3af Power over Ethernet (single-cable deployment) |
| Network Port | 1× 10/100 Mbps Ethernet (RJ-45) |
| Management | Cisco 526 Wireless Express Mobility Controller (SBCS); standalone web GUI |
| Security | WPA/WPA2, 802.1X, multiple SSIDs |
| Regulatory Domain | -A (Americas / FCC) |
| Mounting | Wall or ceiling mount |
| Warranty | 12-month Reboot IT warranty |
Is It Right for You?
|
✓ Best For: • Existing Cisco 521/526 (SBCS) wireless sites • Small and medium office 2.4 GHz WiFi • PoE-based installs with no local power outlet • Spare or replacement access point units • Budget-conscious legacy Cisco deployments |
✗ Not Recommended For: • High-density or high-throughput WiFi (choose 802.11ac / WiFi 6) • 5 GHz-only or dual-band requirements • Non-Cisco wireless environments • Outdoor installations — indoor model only |
Condition Grades
| Grade | Cosmetic Condition | Functional Condition |
|---|---|---|
| A — Excellent | Minimal marks or scratches only visible on close inspection. No cracks or structural damage. | Fully tested. Radio, Ethernet port, and LEDs verified operational. |
| B — Good | Light wear consistent with enterprise deployment — minor scuffs or marks on housing. | Fully tested. Radio, Ethernet port, and LEDs verified operational. |
Frequently Asked Questions
Does this access point need a controller?
In a Cisco Smart Business Communications System it is managed by a Cisco 526 Wireless Express Mobility Controller, which handles configuration and roaming across multiple 521 APs. It can also be configured standalone via its web interface for a single-AP site.
Is a power adapter included?
No. The unit is powered via 802.3af Power over Ethernet from a PoE switch or injector. A PoE injector can be purchased separately if your switch does not supply PoE.
What wireless speeds does it support?
The Aironet 521 is an 802.11b/g access point operating on the 2.4 GHz band, with a maximum data rate of 54 Mbps. It is a legacy platform and does not support 802.11n/ac or 5 GHz.
Is this suitable for a new WiFi network?
It is best suited to maintaining or extending an existing Cisco 521/526 deployment. For a new build requiring high throughput or many concurrent devices, a modern 802.11ac or WiFi 6 access point is a better choice.
What shipping options are available?
Shipping costs apply based on size and destination — rates are calculated at checkout.
What does the 12-month warranty cover?
Reboot IT's 12-month warranty covers hardware defects and functional failures. Physical damage caused after delivery is excluded. Contact our Melbourne support team for warranty claims.
Warranty & About Reboot IT
12-Month Warranty Included — Every Cisco Aironet 521 sold by Reboot IT is backed by a full 12-month warranty. If a hardware fault develops, we repair or replace at no cost to you.
About Reboot IT — Melbourne-based since 2001, Reboot IT is one of Australia's most established certified refurbished IT retailers. Every unit is professionally inspected, tested, and graded before sale. We specialise in enterprise networking and compute equipment sourced from Australian business and government decommissions.
Shop with confidence — Australian-owned, Australian-stocked, Australian warranty support.
