Cisco AIR-AP1131AG-x-K9 Full English Product Description
1. Short Official Part & License Label
AIR-AP1131AG-x-K9: Cisco Aironet 1131AG Autonomous Dual-Band Indoor Wireless Access Point, Simultaneous 2.4 GHz 802.11b/g + 5 GHz 802.11a, Runs Cisco Autonomous IOS Firmware, Integrated Diversity Omni Antennas, 10/100BASE-T Ethernet, Supports 802.3af PoE or Local DC Power, Hardware-Accelerated AES Encryption, Multi-SSID VLAN Segmentation, Convertible to LWAPP Lightweight Mode, End-of-Sale Legacy Enterprise WLAN Access Point.
(Suffix "x" denotes regional regulatory domain: A=USA, E=Europe, K=Korea, C=China, etc.)
AIR-AP1131AG Access Point
2. Full Product Overview
The Cisco AIR-AP1131AG-x-K9 belongs to the Aironet 1130AG Series, a legacy dual-band indoor autonomous wireless access point designed for small-to-medium enterprise office, retail and branch wireless deployments. It ships preloaded withCisco Autonomous IOS, enabling fully standalone operation without a wireless LAN controller. Administrators can upgrade the firmware image to convert the unit into lightweight LWAPP mode (equivalent to AIR-LAP1131AG-x-K9) for centralized management by AireOS WLCs.
It contains two independent active radios supporting simultaneous operation:
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2.4 GHz: IEEE 802.11b/g (max 54 Mbps)
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5 GHz: IEEE 802.11a (max 54 Mbps)
Combined aggregate wireless throughput reaches up to 108 Mbps. Each radio uses built-in diversity omnidirectional antennas for consistent indoor RF coverage. The platform supports IEEE 802.3af Power over Ethernet, eliminating separate DC power adapters and simplifying ceiling tile or wall mounting deployments.
Hardware-assisted AES encryption delivers full WPA2 (802.11i) security without performance degradation. The AP supports multi-SSID segmentation, enterprise authentication suites, WMM QoS for voice and video, and Wireless Domain Services (WDS) for Layer 2 inter-AP roaming.
Lifecycle Status: AIR-AP1131AG-x-K9 reached End-of-Sale (EoS) and End-of-Support (EoL). No new feature development or official firmware updates. Successor platforms include 1142AG, 1242AG and modern Wi-Fi 6 Catalyst access points.
Key Differentiator vs AIR-AP1121G-x-K9: Dual-band simultaneous 2.4G + 5G radio, whereas 1121G is single-band 2.4GHz only. Difference from AIR-LAP1131AG-x-K9: AIR-AP1131AG boots autonomous IOS by default; LAP variant is factory lightweight LWAPP and requires a WLC.
3. Complete Hardware Physical & Interface Specifications
Form Factor & Mechanical
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Form Factor: Low-profile indoor plastic enclosure for wall / ceiling rail mounting
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Dimensions: 222 mm × 222 mm × 47 mm (8.7” × 8.7” × 1.85”)
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Unit Weight: 0.91 kg (2.0 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 10/100BASE-T Ethernet port, 802.3af PoE capable
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DC power barrel jack (48 VDC external power injector optional)
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RJ45 Console port for local CLI access
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Mode reset pushbutton for factory default restoration
LED Status Indicators
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Status: System boot, operational health and fault alerts
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Ethernet: Link status and traffic activity
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Radio: Transmit/receive activity for wireless radios
Power & Environmental Parameters
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Power Options: IEEE 802.3af PoE or external 48VDC power supply
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Typical power consumption: 13 W
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Operating Temperature: 0°C to 40°C (32°F to 104°F)
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Storage Temperature: -20°C to 65°C (-4°F to 149°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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Standard: IEEE 802.11b / 802.11g
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Data Rates: 54, 48, 36, 24, 18, 12, 9, 6 Mbps (g); 11, 5.5, 2, 1 Mbps (b)
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Integrated diversity antenna gain: 3 dBi omnidirectional
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Data Rates: 54, 48, 36, 24, 18, 12, 9, 6 Mbps
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Integrated diversity antenna gain: 4.5 dBi omnidirectional
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Transmit power: Software configurable, limited by regional regulatory domain
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Max simultaneous BSSIDs (SSIDs): Up to 16 per radio
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Diversity receive for improved multipath resistance
4. Core Autonomous IOS WLAN Feature Suite
1. Dual-Band RF Management
Independent radio configuration, adjustable transmit power, dynamic rate scaling, beacon interval tuning, mixed-mode protection for legacy clients, DTIM optimization.
2. Multi-SSID Virtual WLAN Segmentation
Multiple isolated SSIDs, VLAN tagging per WLAN, SSID broadcast control, client isolation between wireless users.
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 filtering, rogue AP detection, broadcast key rotation, SSID hiding
4. Voice & Multimedia QoS
Wi-Fi Multimedia (WMM) traffic prioritization, 802.1p CoS mapping, traffic classification optimized for VoIP over wireless.
5. Wireless Mobility
Wireless Domain Services (WDS) for fast Layer 2 roaming between autonomous APs; proxy Mobile IP support.
6. Management & Diagnostics
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Administration: Embedded HTML web GUI, IOS CLI via SSH / Telnet / console
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Monitoring: SNMPv2c, syslog, client association tables, radio statistics
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Firmware upgrade via TFTP; autonomous ↔ lightweight image conversion supported
7. Network Integration
Native interoperability with Catalyst switched infrastructure, support for trunk VLANs, DHCP relay, static routing.
5. Typical Deployment Scenarios
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Standalone dual-band autonomous wireless coverage for medium offices, retail sites and enterprise branch locations
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Legacy distributed autonomous WLAN architecture without centralized wireless controllers
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Mixed-client environments supporting older 2.4GHz IoT devices and 5GHz laptops
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Migration staging environment for converting autonomous AP fleets to lightweight controller-managed CUWN architecture
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Lab training environments for legacy Cisco autonomous IOS wireless configuration
6. Short Sales Listing Tagline
Cisco AIR-AP1131AG-x-K9 Legacy Aironet 1131AG Autonomous Dual-Band Indoor Access Point, Simultaneous 2.4GHz 802.11b/g + 5GHz 802.11a, Runs Cisco Autonomous IOS, Integrated Diversity Omni Antennas, 10/100BASE-T with 802.3af PoE, Hardware AES Encryption, Multi-SSID VLAN Tagging, WPA/WPA2 Enterprise Security, Convertible to LWAPP Lightweight Mode, End-of-Sale Legacy Dual-Band Enterprise Wireless Access Point
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