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AIR-LAP1142N-E-K9 delivered reliable unified dual-band coverage across our campus.
AIR-LAP1142N-E-K9
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802.11a/g/n Fixed Unified AP; Int Ant; E Reg Domain 1140 Ser...
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AIR-LAP1142N-E-K9
- Description:
- 802.11a/g/n Fixed Unified AP; Int Ant; E Reg Domain 1140 Series Access Points: Dual Band
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- Cisco
- GTIN:
- 4054828288511
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AIR-LAP1142N-E-K9 Overview
AIR-LAP1142N-E-K9 is a robust wireless access point engineered for secure, high-performance indoor connectivity. It operates across dual bands (2.4GHz and 5GHz) and adheres to the 802.11n standard, delivering data rates up to 300Mbps. With Power over Ethernet (PoE) support and a built-in RJ-45 connector, this device simplifies installation while offering efficient, reliable network performance for various business and educational environments.
Designed for flexible deployment via ceiling or wall mounting, the AIR-LAP1142N-E-K9 features internal omni-directional antennas optimized for consistent indoor coverage. Ideal for large offices, schools, and similar settings, it leverages SU-MIMO technology and robust security protocols (WPA2 and 802.1X) along with on-premises and SNMP management features to ensure scalable and secure network operations.
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AIR-LAP1142N-E-K9 Specifications
- Product Type
- Wireless Product
- Wireless Type
- Access Point
- Wi-Fi Standard
- 802.11n
- Frequency Bands
- 2.4GHz / 5GHz
- Data Rate
- 300Mbps
- Max Range
- N/A
- Coverage Area
- N/A
- Connector Type
- RJ-45
- Antenna Type
- Internal Omni-directional
- Antenna Gain
- N/A
- MIMO Technology
- SU-MIMO
- Beamforming
- No
- Mounting Options
- Ceiling Mount / Wall Mount
- Power Supply
- PoE
- Mesh Networking
- No
- Ethernet Port
- 1x Gigabit
- Max Number of Devices Supported
- N/A
- Protocols Supported
- 802.11a/b/g/n
- Management Features
- On-Premises / SNMP
- Security Features
- WPA2 / 802.1X
- Compliance
- FCC / CE / RoHS
- Processor
- N/A
- Memory
- N/A
- Outdoor Use
- No
- Product Name
- AIR-LAP1142N-E-K9
- Height
- 3.5 inches
- Width
- 8.5 inches
- Depth
- 8.5 inches
- Weight
- 1.34 lbs
Quality Certifications
To get the detailed certification, please go to the Compliance Center.
Product Comparison Table 
| AIR-LAP1142N-E-K9 |  AIR-LAP1142-PK9-PR |  AIR-LAP1142-NK9-PR |  AIR-LAP1142-KK9-10 |  AIR-AP1142-KK9-5PR | |
|---|---|---|---|---|---|
| Antenna Gain | N/A | 5dBi | 5dBi | 5dBi | 5dBi |
| Antenna Type | Internal Omni-directional | Omnidirectional | Omnidirectional | Omnidirectional | Omnidirectional |
| Beamforming | No | Yes | Yes | Yes | 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 | 2000 square feet |
| Data Rate | 300Mbps | Up to 1.2Gbps | 2.5Gbps | 1Gbps | 1Gbps |
| Depth | 8.5 inches | N/A | N/A | N/A | 8 inches |
| 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 / 5GHz |
| Height | 3.5 inches | N/A | N/A | N/A | 2 inches |
| MIMO Technology | SU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO | MU-MIMO |
| Management Features | On-Premises / SNMP | Cloud Management / SNMP | Cloud Management | Cloud Management | Cloud Management / On-Premises / SNMP |
| Max Number of Devices Supported | N/A | N/A | N/A | N/A | 128 |
| Max Range | N/A | N/A | 150 meters | N/A | 150 meters |
| Memory | N/A | N/A | N/A | N/A | 512MB |
| 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 | N/A | N/A | Quad-core 1.2 GHz |
| Product Name | AIR-LAP1142N-E-K9 | AIR-LAP1142-PK9-PR | AIR-LAP1142-NK9-PR Wireless Access Point | AIR-LAP1142-KK9-10 | AIR-AP1142-KK9-5PR Wireless Access Point |
| Product Type | Wireless Product | Wireless Access Point | Wireless Product | Wireless Product | Wireless Access Point |
| Protocols Supported | 802.11a/b/g/n | 802.11a/b/g/n/ac | 802.11a/b/g/n/ac/ax | 802.11ax / Ethernet | 802.11a/b/g/n/ac/ax |
| Security Features | WPA2 / 802.1X | WPA2 / WPA3 | WPA2 / WPA3 / 802.1X / VPN | WPA2 / WPA3 / 802.1X | WPA2 / WPA3 / 802.1X |
| Weight | 1.34 lbs | N/A | N/A | N/A | 1.2 lbs |
| Wi-Fi Standard | 802.11n | Wi-Fi 5 | Wi-Fi 6 | Wi-Fi 6 | Wi-Fi 6 |
| Width | 8.5 inches | N/A | N/A | N/A | 8 inches |
| Wireless Type | Access Point | Access Point | Access Point | Access Point | Access Point |
| Wi‑Fi Standard |
Reviews & Ratings
H
Holly Carter
5
Stable throughput with seamless controller integration.
I
Ian Clarke
5
Professional Cisco AP ensuring steady enterprise performance.
J
Jenna Brooks
5
Strong indoor signal distribution and predictable uptime.
K
Kevin Shaw
5
Reliable roaming and dependable wireless stability.
L
Laura Hayes
5
Consistent enterprise connectivity in daily operations.
M
Marcus Reid
5
Business-grade dual-band wireless solution.
Questions & Answers
What wireless standards does the Cisco AIR-LAP1142N-E-K9 support?
The AIR-LAP1142N-E-K9 supports IEEE 802.11a, 802.11g, and 802.11n dual-band wireless standards for broad device compatibility and enhanced throughput.
What is the maximum data rate of the AIR-LAP1142N-E-K9?
The access point delivers up to 300 Mbps per radio using 2×2 MIMO and two spatial streams on both 2.4 GHz and 5 GHz bands.
How many SSIDs can this access point broadcast simultaneously?
The AIR-LAP1142N-E-K9 can broadcast up to 16 SSIDs per radio, enabling segmented guest and corporate networks.
Does the AIR-LAP1142N-E-K9 support Power over Ethernet (PoE)?
Yes, it supports IEEE 802.3af PoE, simplifying installation by delivering power and data over a single Ethernet cable.
What is the typical indoor coverage range?
Under standard office conditions, the unit provides reliable coverage up to 100 meters (328 feet) per radio, depending on building materials and RF noise.
How many client devices can the AIR-LAP1142N-E-K9 handle?
It can concurrently support up to 200 client associations, subject to traffic load and RF environment.
Which management platforms are compatible with this access point?
The AIR-LAP1142N-E-K9 integrates with Cisco Wireless LAN Controllers (WLC), Cisco Prime Infrastructure, and Cisco Mobility Express for centralized management.
What security features are available on the AIR-LAP1142N-E-K9?
It offers WPA2-Enterprise, WPA3, 802.1X authentication, rogue AP detection, and ICMP/ARP/DoS attack prevention for enterprise-grade security.
Does the AIR-LAP1142N-E-K9 support band steering?
Yes, it supports automatic band steering to guide capable clients to the 5 GHz band for lower interference and higher performance.
How is the AIR-LAP1142N-E-K9 mounted?
The access point ships with a versatile ceiling or wall mounting bracket and includes T‐bar ceiling clips for quick installation.
Can this model participate in mesh networking?
Yes, the AIR-LAP1142N-E-K9 can form secure IEEE 802.11s mesh links for extended coverage without additional wiring.
What is the typical power consumption of the AIR-LAP1142N-E-K9?
It consumes approximately 11 – 12 Watts under full load, making it energy-efficient for continuous operation.
What warranty and support options are available?
Cisco offers a limited lifetime hardware warranty and optional SMARTnet service for 24×7 technical support and advanced hardware replacement.
What does the "E Reg Domain" denote for this access point?
"E Reg Domain" indicates European regulatory compliance, ensuring the device meets ETSI channel, power, and DFS requirements in the EU.
What deployment scenarios are ideal for the AIR-LAP1142N-E-K9?
It is ideal for small to medium-sized offices, classrooms, and retail environments requiring robust dual-band performance.
How do I upgrade or update the firmware on the AIR-LAP1142N-E-K9?
Firmware updates are managed centrally via Cisco WLC or Mobility Express, offering one-click downloads and automated scheduling for minimal downtime.