Cisco AIR-AP1142N-A-K9 Wireless Access Point
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AIR-AP1142N-A-K9 Cisco Aironet 1142n 300MBPS Wireless Access Refurbished

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Part Number#: AIR-AP1142N-A-K9
List Price was: $203.85
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Short Description:
AIR-AP1142N-A-K9 Aironet 1142n Standard Local Area Network (LAN) Institute of Electrical and Electronics Engineers (IEEE) 802.11n 1x (RJ-45) Ports 300 Megabits Per Second (MBPS) Wireless Access Point | Made by Cisco | Refurbished
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

More Information

The AIR-AP1142N-A-K9 is a wireless access point (AP) from Cisco's Aironet 1142 series. It is designed to provide wireless connectivity in a variety of environments, including enterprise, commercial, and industrial settings. It supports the IEEE 802.11b/g/n standards and operates in the 2.4 GHz frequency band. The AP has a maximum data rate of 300 Mbps, making it suitable for a wide range of wireless applications. It can be configured and managed using Cisco's wireless LAN controllers, or it can be deployed in a standalone configuration with a web browser. The AP has a number of security features, including support for Wi-Fi Protected Access (WPA) and WPA2, as well as advanced encryption and authentication options. It also has a number of management features, including support for Quality of Service (QoS) and power over Ethernet (PoE).


Cisco Aironet 1142n 300Mbps Wireless Access Point is designed to deliver high performance and reliable wireless connectivity. It supports the IEEE 802.11b/g/n standards and operates in the 2.4 GHz frequency band, which allows it to support a maximum data rate of 300 Mbps. This makes it suitable for a wide range of wireless applications, including data, voice, and video.

The AP has a number of features that contribute to its performance. For example, it has three internal antennas that are optimized for use in 2.4 GHz networks. It also has a number of advanced radio technologies, including 802.11n MIMO (multiple-input, multiple-output) and beamforming, which help to improve the range and reliability of the wireless connection.

In terms of security, the AP has a number of advanced features to protect against unauthorized access and protect the confidentiality of transmitted data. These include support for WPA and WPA2, as well as advanced encryption and authentication options.

Troubleshooting Common Issues

The Cisco Aironet 1142n wireless access point can experience various issues that can affect the performance and connectivity of the wireless network. Here are some common issues and troubleshooting tips:

  • No wireless connectivity: If wireless clients cannot connect to the access point, check the SSID configuration and ensure that it matches the SSID of the wireless clients. Also, check the security settings, such as WEP, WPA, or WPA2, to ensure they are configured correctly.
  • Poor signal strength: If wireless clients experience poor signal strength or frequent disconnections, check the placement of the access point and ensure it is not obstructed by walls or other obstacles. Also, check the radio settings, such as transmit power and channel width, to optimize the signal strength.
  • Interference: If wireless clients experience interference or signal noise, check the radio settings to ensure that the access point is using the best channel with the least amount of interference. You can also try changing the channel width to avoid overlapping with nearby networks.
  • Firmware updates: If the access point experiences any issues, check for firmware updates and apply them as needed. Firmware updates can fix bugs and improve the performance of the access point.
  • Power issues: If the access point does not power on or experiences intermittent power issues, check the power source and ensure it is providing the correct voltage and current to the access point.
  • Authentication issues: If wireless clients cannot authenticate with the access point, check the authentication settings and ensure that they are configured correctly. You can also try restarting the access point and the wireless clients.
  • Rogue access points: If you suspect that a rogue access point is interfering with your network, use the access point's rogue detection feature to scan for nearby access points and identify any rogue devices.

General Information about this Cisco AIR-AP1142N-A-K9

  • Manufacturer: Cisco
  • Model Number or SKU# AIR-AP1142N-A-K9
  • Product Series: 1140
  • Product Type: Wireless Access Point

Technical Information of Wireless Access Point

  • Wireless Transmission Speed 300 Mbps
  • Connectivity Technology: Wireless
  • Wireless LAN Standard IEEE 802.11n
  • ISM Band Yes
  • UNII Band Yes
  • ISM Minimum Frequency 2.41 GHz
  • ISM Maximum Frequency 2.46 GHz
  • UNII Minimum Frequency 5.18 GHz
  • UNII Maximum Frequency 5.83 GHz
  • Antenna Gain 3 dBi
  • Antenna Gain 4 dBi

Interfaces/Ports for 300MBPS Access Point

  • Ethernet Port Yes
  • Fast Ethernet Port Yes
  • Gigabit Ethernet Port Yes
  • 10Gigabit Ethernet Port No
  • Number of Network (RJ-45) Ports 1
  • Network (RJ-11) No
  • PoE (RJ-45) Port No
  • VGA No
  • HDMI No
  • Audio Line Out No
  • Serial Port No
  • USB No
  • Powerline No
  • Management Port Yes

Power Description of Ethernet Access Point

  • Input Voltage 220 V AC
  • Input Voltage 110 V AC
  • Power Source Power Supply
  • Power Source PoE


  • Power over Ethernet (PoE), MIMO technology, Wi-Fi Multimedia (WMM) support, Cisco M-Drive technology, ClientLink technology
  • Encryption Algorithm: AES, TLS, PEAP, TTLS, TKIP, WPA, WPA2
  • Authentication Method: MS-CHAP v.2, EAP-FAST

Compliant Standards

  • IEEE 802.11b, IEEE 802.11a, IEEE 802.3af, IEEE 802.11d, IEEE 802.11g, IEEE 802.1x, IEEE 802.11i, IEEE 802.11h, IEEE 802.11n

Environmental Parameters

  • Min Operating Temperature: 32 °F
  • Max Operating Temperature: 104 °F
  • Humidity Range Operating: 10 - 90% (non-condensing)

Dimension and Weight

  • Width: 8.7 inch
  • Depth: 8.7 inch
  • Height: 1.9 inch
  • Weight: 2.29 lbs
Product Condition:
Warranty provided by ALLHDD.COM:
90 Days

About Refurbished Products

Refurbished products are typically refurbished by an Original Manufacturer or an affiliate of the manufacturer or 3rd party facility. This product may have minor blemishes due to normal product usage and doesn't necessarily come with documentation and software unless indicated, but has been well tested and generally has never had any defects.

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