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AIR-AP1142N-K-K9
802.11a/g/n Fixed Auto AP; Int Ant; K Reg Domain 1140 Series...
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AIR-AP1142N-K-K9 is a high-performance wireless access point designed for indoor deployments that demand reliable and stable connectivity. It operates across both the 2.4GHz and 5GHz frequency bands under the 802.11n standard, delivering an aggregated data rate of up to 300Mbps with essential connectivity features such as SU-MIMO and beamforming for improved signal robustness.
Engineered with integrated omnidirectional antennas offering a gain of 3dBi, the AIR-AP1142N-K-K9 provides consistent wireless coverage for medium-sized office environments, educational institutions, and similar indoor spaces. Its versatile design supports both ceiling and wall mounting options and utilizes PoE for simplified installation and deployment.
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| AIR-AP1142N-K-K9 |  AIR-AP1142N-E-K9 |  AIR-LAP1142-TK9-PR |  AIR-LAP1142N-E-K9 |  AIR-LAP1141N-E-K9 | |
|---|---|---|---|---|---|
| Antenna Gain | 3dBi | N/A | 5dBi | N/A | 3dBi |
| Antenna Type | Omnidirectional | Internal Omnidirectional | Omnidirectional | Internal Omni-directional | Omnidirectional |
| Beamforming | Yes | Yes | Yes | No | Yes |
| 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 | N/A | N/A | N/A |
| Data Rate | 300Mbps | 300 Mbps | 2.5Gbps | 300Mbps | 300Mbps |
| Depth | N/A | N/A | 9.5 inches | 8.5 inches | N/A |
| Ethernet Port | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit | 1x Gigabit |
| Frequency Bands | 2.4GHz, 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz / 5GHz | 2.4GHz |
| Height | N/A | N/A | 1.5 inches | 3.5 inches | N/A |
| MIMO Technology | SU-MIMO | N/A | MU-MIMO | SU-MIMO | MU-MIMO |
| Management Features | On-Premises | On-Premises, SNMP | Cloud Management | On-Premises / SNMP | On-Premises, Cisco Wireless LAN Controller Integration |
| Max Number of Devices Supported | N/A | N/A | 128 | N/A | N/A |
| Max Range | N/A | N/A | 100 meters | N/A | 150 ft |
| Memory | N/A | N/A | 2GB | N/A | N/A |
| Mesh Networking | No | No | No | 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 | Quad-Core 1.2GHz | N/A | N/A |
| Product Name | AIR-AP1142N-K-K9 | AIR-AP1142N-E-K9 | AIR-LAP1142-TK9-PR Wireless Access Point | AIR-LAP1142N-E-K9 | AIR-LAP1141N-E-K9 |
| Product Type | Wireless Product | Wireless Access Point | Wireless Access Point | Wireless Product | Wireless Product |
| Protocols Supported | 802.11a/b/g/n, Ethernet | 802.11a/b/g/n, Ethernet | 802.11a/b/g/n/ac/ax | 802.11a/b/g/n | 802.11b/g/n |
| Security Features | WPA2, 802.1X | WPA2, 802.1X | WPA2 / WPA3 / 802.1X | WPA2 / 802.1X | WPA2, 802.1X |
| Weight | N/A | N/A | 1.8 lbs | 1.34 lbs | N/A |
| Wi-Fi Standard | 802.11n | 802.11n | Wi-Fi 6 | 802.11n | Wi-Fi 4 (802.11n) |
| Width | N/A | N/A | 9.5 inches | 8.5 inches | N/A |
| Wireless Type | Access Point | Access Point | Access Point | Access Point | Access Point |
| Wi‑Fi Standard |
AIR-AP1142N-K-K9 provided stable dual-band coverage with reliable autonomous performance.
Consistent 802.11a/g/n speeds and predictable uptime.
Professional Cisco AP offering strong signal stability.
Reliable indoor performance across office environments.
Dependable standalone wireless solution for branch sites.
Steady throughput and smooth configuration.
Business-grade dual-band access point ensuring stability.
The AIR-AP1142N-K-K9 is a dual-band, fixed auto-configuring 802.11a/g/n access point in Cisco’s 1140 Series, featuring internal antennas and optimized for the K regulatory domain.
It supports IEEE 802.11a, 802.11g and 802.11n standards, delivering reliable connectivity and backward compatibility with legacy devices.
The AIR-AP1142N-K-K9 operates simultaneously on 2.4 GHz (channels 1–13) and 5 GHz (channels per K-domain), enabling high-performance dual-band deployments.
It delivers up to 300 Mbps per radio (600 Mbps aggregate) using 2×2 MIMO, ensuring high throughput for demanding applications.
Yes, it supports IEEE 802.3af Power over Ethernet (PoE), simplifying installation by delivering power and data over a single cable.
It features integrated omni-directional antennas with 3 dBi gain on 2.4 GHz and 4 dBi gain on 5 GHz, providing consistent coverage in indoor spaces.
Configuration and monitoring are handled centrally via a Cisco Wireless LAN Controller, offering seamless policy enforcement and firmware updates.
The AIR-AP1142N-K-K9 is designed for controller-based deployments; standalone (autonomous) operation requires a separate software image.
Ideal for small offices, branch locations and retail stores, it delivers enterprise-grade performance and security in compact indoor environments.
It can handle up to 100 active clients per AP under typical mixed-traffic conditions, ensuring consistent performance.
Built-in security includes WPA2-Enterprise with 802.1X authentication, MAC-address filtering, rogue AP detection, and integrated IDS/IPS for threat mitigation.
K domain indicates compliance with Korean radio regulations, enabling all legally approved channels in 2.4 GHz and 5 GHz bands for that region.
It comes with a universal mounting bracket for T-bar ceilings and walls; installation requires standard screw or tile-clip hardware.
Cisco offers a five-year limited hardware warranty and access to software updates, with optional SMARTnet service for enhanced support.
Firmware upgrades are performed centrally via the Cisco Wireless LAN Controller GUI or CLI, ensuring synchronized, zero-touch updates.
Available accessories include the Cisco AIR-PWRINJ4 802.3af PoE injector, mounting extension kits and replacement brackets for specialized installations.