Cisco AIR-AP1252AG-x-K9 Full English Product Description
1. Short Official Part & License Label
AIR-AP1252AG-x-K9: Cisco Aironet 1252AG Autonomous Dual-Band Indoor Wireless Access Point, Simultaneous 2.4 GHz 802.11b/g/n + 5 GHz 802.11a/n (Draft 2.0), 2×3 MIMO Architecture, Runs Cisco Autonomous IOS, Six RP-TNC External Antenna Connectors (Antennas Sold Separately), Rugged Modular Metal Enclosure, 10/100/1000BASE-T Gigabit Ethernet, Supports 802.3af PoE or Local DC Power, Hardware-Accelerated AES Encryption, Convertible to LWAPP Lightweight Mode, Multi-SSID VLAN Segmentation, Enterprise WPA/WPA2 Security, Extended Operating Temperature Range, End-of-Sale Legacy High-Performance Connectorized Enterprise AP.
(Suffix "x" denotes regional regulatory domain: A=USA, E=Europe, C=China, K=Korea, etc.)
2. Full Product Overview
The Cisco AIR-AP1252AG-x-K9 belongs to the Aironet 1250 Series, the first enterprise modular AP supporting IEEE 802.11n Draft 2.0 MIMO technology. It features a durable metal chassis with modular radio architecture, designed for high-density offices, warehouses, manufacturing facilities and large retail environments requiring flexible external antenna deployments. It ships preloaded withCisco Autonomous IOS, enabling fully standalone operation without a wireless LAN controller. Administrators can upgrade firmware bidirectionally to convert the unit into LWAPP lightweight mode (equivalent PID AIR-LAP1252AG-x-K9) for centralized management by AireOS CUWN wireless controllers.
Two independent active radios operate simultaneously with 2×3 MIMO:
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2.4 GHz: IEEE 802.11b/g/n, maximum 300 Mbps
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5 GHz: IEEE 802.11a/n, maximum 300 Mbps
Each radio provides three RP-TNC diversity antenna ports (6 connectors total), supporting a wide portfolio of omnidirectional, directional, sector and high-gain external antennas to customize RF coverage for complex indoor environments. Compared to the 1242AG, the 1252AG adds MIMO 802.11n for higher throughput and multipath resistance.
Network connectivity includes a Gigabit Ethernet port. Power options include IEEE 802.3af PoE and optional external 48 VDC power supply. Hardware-assisted AES encryption delivers full WPA2 (802.11i) security without performance loss. Supported features include multi-SSID virtual WLAN segmentation, enterprise authentication suites, WMM voice QoS, and Wireless Domain Services (WDS) for Layer 2 roaming across autonomous AP fleets.
Lifecycle Status: AIR-AP1252AG-x-K9 reached End-of-Sale (EoS) and End-of-Support (EoL). No new official firmware releases or feature development. Successor platforms include 3500 series and modern Wi‑Fi 6 Catalyst access points.
Key Differentiator vs AIR-AP1242AG-x-K9: Adds 802.11n MIMO technology, Gigabit Ethernet, six RP-TNC antenna ports (3 per radio), higher throughput capacity. Difference from AIR-LAP1252AG-x-K9: AIR-AP1252AG boots autonomous IOS by default; LAP variant is factory lightweight LWAPP requiring a wireless controller.
3. Complete Hardware Physical & Interface Specifications
Form Factor & Mechanical
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Form Factor: Rugged modular metal indoor enclosure, wall / ceiling rail mountable
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Dimensions: 241.8 mm × 206.2 mm × 59.7 mm (9.5” × 8.1” × 2.35”)
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Unit Weight: 1.3 kg (2.9 lbs)
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Mounting: Keyhole slots, compatible with standard ceiling tile brackets; security lock provision
Rear Panel Interface Layout
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1× RJ45 10/100/1000BASE-T Gigabit Ethernet port, supports 802.3af PoE
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DC power barrel jack for optional 48 VDC external power injector
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RJ45 Console port for local CLI access and emergency recovery
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6× RP-TNC female antenna connectors:
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3 × RP-TNC for 2.4 GHz 2×3 MIMO radio
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3 × RP-TNC for 5 GHz 2×3 MIMO radio
(Antennas purchased separately; 5GHz ports marked with blue identifier)
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Mode reset pushbutton for factory default restoration
LED Status Indicators
Three front-panel status LEDs:
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Status: System boot sequence, operational health and fault alerts
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Ethernet: Link integrity and traffic activity
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Radio: Wireless transmit/receive activity
Power & Environmental Parameters
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Power Options: IEEE 802.3af PoE or external 48 VDC power supply
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Typical power consumption: 16.5 W (dual radio active)
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Operating Temperature: -20°C to 55°C (-4°F to 131°F)
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Storage Temperature: -40°C to 85°C (-40°F to 185°F)
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Humidity: 10%–90% non-condensing relative humidity
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Regulatory Certifications: UL 60950, CE, FCC Class B, Wi-Fi Alliance certified
Radio Hardware Specifications
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Standards: IEEE 802.11b / 802.11g / 802.11n Draft 2.0
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Maximum PHY Rate: 300 Mbps
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Antenna Interface: 3 × RP-TNC diversity ports
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Standards: IEEE 802.11a / 802.11n Draft 2.0
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Maximum PHY Rate: 300 Mbps
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Antenna Interface: 3 × RP-TNC diversity ports
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Transmit power: Software configurable, capped per regional regulatory domain
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Maximum simultaneous BSSIDs (SSIDs): Up to 16 per radio
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MRC (Maximum Ratio Combining) improves multipath fading resistance
Embedded Hardware Resources
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RAM: 64 MB DDR
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Flash Storage: 32 MB for IOS firmware and persistent configuration
4. Core Autonomous IOS WLAN Feature Suite
1. Dual-Band MIMO RF & External Antenna Flexibility
Independent radio configuration, adjustable transmit power, dynamic rate scaling, beacon interval tuning, mixed-mode protection for legacy clients, DTIM optimization. Supports custom antenna gain configuration for accurate RF site survey planning.
2. Multi-SSID Virtual WLAN Segmentation
Multiple isolated SSIDs, independent VLAN tagging per WLAN, SSID broadcast enable/disable, wireless client isolation between users on the same broadcast domain.
3. Enterprise Wireless Security Suite
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Encryption: WEP 40/128-bit, WPA (TKIP), WPA2 (AES-CCMP, hardware accelerated)
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Authentication: Open, Shared Key, 802.1X, LEAP, PEAP, EAP-TLS, EAP-FAST
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Additional security: MAC address filtering, rogue AP detection, broadcast key rotation
4. Voice & Multimedia QoS
Wi-Fi Multimedia (WMM) traffic prioritization, 802.1p CoS mapping, traffic classification optimized for VoWLAN voice over Wi-Fi deployments.
5. Wireless Mobility
Wireless Domain Services (WDS) enabling fast Layer 2 roaming between autonomous APs; proxy Mobile IP support for Layer 3 mobility scenarios.
6. Management & Diagnostics
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Administration: Embedded HTML web GUI, IOS CLI via SSH, Telnet or serial console
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Monitoring: SNMPv2c, syslog, real-time client association tables, radio statistics
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Firmware upgrade via TFTP; bidirectional conversion between autonomous IOS and LWAPP lightweight images
7. Network Integration
Native interoperability with Catalyst switched infrastructure, trunk VLAN support, DHCP relay, static routing capabilities.
5. Typical Deployment Scenarios
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Standalone dual-band MIMO wireless coverage for warehouses, manufacturing facilities and large retail sites requiring directional or high-gain external antennas
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Legacy distributed autonomous WLAN architecture without centralized wireless controllers
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Mixed-client environments supporting legacy 2.4 GHz barcode scanners/IoT and high-speed 5GHz 802.11n laptops
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Migration staging platform for converting autonomous AP fleets to lightweight controller-managed CUWN architecture
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Lab environments for legacy Cisco autonomous IOS wireless configuration and MIMO RF planning training
6. Short Sales Listing Tagline
Cisco AIR-AP1252AG-x-K9 Legacy Aironet 1252AG Autonomous Dual-Band Indoor Access Point, Simultaneous 2.4GHz 802.11b/g/n + 5GHz 802.11a/n (Draft2.0), 2×3 MIMO, Runs Cisco Autonomous IOS, Six RP-TNC External Antenna Ports (Antennas Not Included), Rugged Modular Metal Enclosure, Extended Operating Temperature, 10/100/1000BASE-T Gigabit Ethernet with 802.3af PoE, Hardware AES Encryption, Multi-SSID VLAN Tagging, WPA/WPA2 Enterprise Security, Convertible to LWAPP Lightweight Mode, End-of-Sale High-Performance Connectorized Enterprise Wireless Access Point
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