TECH REVIEWStech-reviews

11 Amazing Powerline Adapter For Ethernet for 2024

11-amazing-powerline-adapter-for-ethernet-for-2023

Need a reliable and high-performing solution for extending your internet connection throughout your home or office? Look no further than these 11 amazing Powerline Adapters for Ethernet in 2023. With advancements in technology, these adapters offer a seamless and convenient way to enhance your network connectivity. Whether you are dealing with dead zones or struggling with slow Wi-Fi, these Powerline Adapters provide a reliable alternative by utilizing your existing electrical wiring. Say goodbye to the hassle of running cables or losing signal strength! Discover the best of the best in powerline adapters that promise to deliver exceptional speed, stability, and convenience for all your internet needs in 2023.

Overall Score: 8.5/10

The TP-Link Powerline Ethernet Adapter Starter Kit is a high-speed, plug-and-play solution for extending your wired network. With data transfer rates of up to 1000 Mbps and a gigabit port, it provides secure wired connections for desktops, smart TVs, or game consoles. The kit is universally compatible and can be easily set up in minutes. It also features a patented power-saving mode that reduces power consumption by up to 85%. Please note that this kit can only provide wired connections and must be used in sets of two or more. Additionally, the powerline adapters must be on the same electrical circuit for connectivity. Overall, the TP-Link Powerline Ethernet Adapter Starter Kit offers a reliable and convenient way to expand your network.

Key Features

  • Home Plug AV2 Standard for high-speed data transfer
  • Gigabit port for secure wired networks
  • Plug-and-play setup for quick installation
  • Patented Power-Saving Mode for reduced power consumption
  • Universally compatible with TP-Link AV powerline adapters

Specifications

  • Color: White
  • Dimension: 2.60Lx2.00Wx1.10H

Pros

  • High-speed data transfer rates up to 1000 Mbps
  • Secure wired connections for various devices
  • Convenient plug-and-play setup
  • Reduced power consumption
  • Compatible with other TP-Link AV powerline adapters

Cons

  • No Wi Fi capability
  • Must be used in sets of two or more
  • Requires outlets on the same electrical circuit
  • Not as fast as advertised

The TP-Link Powerline Ethernet Adapter Starter Kit is a reliable and easy-to-use solution for extending your wired network. With high-speed data transfer rates, a gigabit port, and a plug-and-play setup, it offers secure connections for various devices. The patented Power-Saving Mode helps reduce power consumption, making it an energy-efficient choice. However, it lacks WiFi capability and requires multiple adapters for proper functionality. Additionally, the actual speed may not reach the advertised rate. Overall, if you’re looking to expand your network with wired connections, this starter kit is a solid option.

Overall Score: 8/10

The TP-Link AV2000 Powerline Adapter is a high-speed power line Ethernet extender that allows for a seamless connection to your internet. It offers up to 2000Mbps Ethernet over Power, making it an ideal choice for gaming enthusiasts. The adapter features two gigabit ports, enabling full-speed internet transmission. With power saving mode and noise filtering, it reduces power consumption and ensures a stable and secure network. The plug-and-play design requires no new wires or configuration, making it incredibly convenient to set up. The adapter is compatible with various other power line adapters, and the data encryption feature ensures network safety. Please note that multiple adapters are required for deployment, and they must be on the same electrical circuit for connectivity. Overall, the TP-Link AV2000 Powerline Adapter is a reliable and efficient solution for extending your network connection.

Key Features

  • Up to 2000Mbps Ethernet over Power
  • Gigabit ports for full-speed internet
  • Power saving mode reduces power consumption
  • Plug-and-play design requires no configuration
  • Data encryption for network safety

Specifications

  • Dimension: 2.80Lx5.20Wx1.70H
  • Size: 2-Port

Pros

  • High-speed Ethernet over Power
  • Convenient plug-and-play setup
  • Power saving mode
  • Data encryption for network security

Cons

  • Speeds may not reach advertised maximum
  • Takes up a whole outlet
  • Dependent on home wiring and distance

The TP-Link AV2000 Powerline Adapter provides a reliable and convenient solution for extending your network connection. With its high-speed Ethernet over Power technology, this adapter is perfect for gamers and those who require a stable internet connection. It offers easy plug-and-play setup, power saving mode, and data encryption for added convenience and security. While the speeds may not always reach the advertised maximum, this adapter still provides a significant improvement over Wi-Fi connections. The only drawback is that it takes up a whole outlet, which may limit other device usage. Overall, if you’re looking for a reliable and efficient power line Ethernet extender, the TP-Link AV2000 Powerline Adapter is a great choice.

Overall Score: 8/10

The NETGEAR Powerline Adapter Kit is a high-speed powerline adapter that allows you to extend your internet access to any room in your house using your existing electrical wiring. With its Gigabit speeds and homeplug AV2 technology, it provides improved coverage for smart TVs, streaming players, and game consoles. The adapter also features a noise-filtered power outlet and Beamforming technology for enhanced coverage. It's easy to set up and expand your network coverage by connecting multiple adapters. The kit comes with two Gigabit Ethernet ports and supports speeds up to 2000Mbps. It's a reliable solution for eliminating deadspots and achieving lag-free gaming and 4K HD streaming.

Key Features

  • Extends internet access using existing electrical wiring
  • Gigabit speeds with homeplug AV2 technology
  • Noise-filtered power outlet and Beamforming technology
  • Easy plug-and-play setup
  • Supports speeds up to 2000Mbps
  • Two Gigabit Ethernet ports

Specifications

  • Color: White
  • Dimension: 2.80Lx5.26Wx1.49H

Pros

  • Easy to install and set up
  • Provides fast and reliable internet access
  • Improves coverage for smart devices and gaming consoles
  • Multiple adapters can be connected to expand network coverage
  • Includes two Gigabit Ethernet ports

Cons

  • May not work with previous generation powerline units
  • Takes up a whole outlet where the Wi-Fi is needed
  • Design of the plug-in unit covers the top outlet
  • Short Ethernet cables included in the package may not be long enough

The NETGEAR Powerline Adapter Kit is a reliable solution for extending your internet access throughout your home. With its fast speeds, improved coverage, and easy installation, it eliminates deadspots and provides lag-free gaming and streaming experiences. While it may have some limitations like compatibility with previous generation units and taking up an entire outlet, its overall performance and reliability make it a worthwhile investment. If you’re looking to improve your home network coverage, this powerline adapter kit is definitely worth considering.

Overall Score: 8/10

The TP-Link AV1000 Powerline Ethernet Adapter is a high-speed data transfer solution that allows you to extend your wired network connections throughout your home. With its plug and play feature, you can quickly set up the powerline network and enjoy fast and secure wired connections. The integrated power socket ensures that no power outlet goes to waste, and the patented power-saving mode reduces power consumption by up to 85%. It is compatible with all TP-Link AV powerline adapters and offers a gigabit port for secure connections. The TP-Link AV1000 Powerline Ethernet Adapter is an ideal solution for smart TVs, desktops, and game consoles.

Key Features

  • Home Plug AV2 Standard for high-speed data transfer
  • Gigabit Port for secure wired networks
  • Plug and Play for easy setup
  • Integrated Power Socket to prevent wasted outlets
  • Patented Power-Saving Mode for reduced power consumption

Specifications

  • Color: White
  • Dimension: 3.70Lx1.70Wx2.30H

Pros

  • High-speed data transfer
  • Secure wired connections
  • Easy setup
  • Integrated power socket
  • Power-saving mode

Cons

  • Requires powerline adapters to be on the same electrical circuit
  • Does not work with surge protectors
  • May be affected by other devices on the same circuit
  • No Wi-Fi capability

The TP-Link AV1000 Powerline Ethernet Adapter is a reliable and convenient solution for extending your wired network connections. With its high-speed data transfer and secure connections, it is perfect for devices like smart TVs, desktops, and game consoles. The plug and play feature makes setup a breeze, and the integrated power socket prevents wasted outlets. The power-saving mode is also a great feature for reducing energy consumption. However, it’s important to note that the adapters need to be on the same electrical circuit for connectivity, and it doesn’t work with surge protectors. Overall, it is a solid choice for improving wired connections throughout your home.

Overall Score: 8.5/10

The TP-Link AV600 Powerline Ethernet Adapter is a reliable and convenient solution for expanding your home network. With its fast speed and plug-and-play functionality, you can easily connect devices to your wired internet service. The miniature design allows it to blend discreetly in any power outlet, while the power-saving mode reduces energy consumption by up to 85%. This adapter also works with other TP-Link Powerline Ethernet Adapters, offering compatibility and flexibility. The TP-Link AV600 is the perfect solution for those looking to extend their home network without the need for new wires or drilling.

Key Features

  • Fast speed: Up to 100Mbps data transfer rate
  • Plug and Play: No configuration required
  • Network expansion: Turns electrical circuit into high-speed network
  • Miniature design: Blends discreetly in front of power outlet
  • Power Saving Mode: Reduces energy consumption by up to 85%
  • Compatible with all TP-Link Powerline Ethernet Adapters

Specifications

  • Color: White
  • Dimension: 2.00Lx2.60Wx1.10H
  • Size: 600 Mbps

Pros

  • Fast data transfer rate
  • Easy plug-and-play setup
  • Compact and discreet design
  • Power-saving mode reduces energy consumption
  • Compatible with other TP-Link adapters

Cons

  • Powerline performance affected by appliances and devices on the same circuit
  • Does not work with surge protectors

The TP-Link AV600 Powerline Ethernet Adapter is a reliable and affordable solution for expanding your home network. It offers fast data transfer speeds, easy setup, and a compact design. The power-saving mode helps reduce energy consumption, making it an environmentally friendly choice. While it may be affected by appliances on the same circuit and cannot be used with surge protectors, these are minor drawbacks compared to the overall performance and convenience offered. Whether you need to connect devices for HD video streaming, online gaming, or simply extending your home network, the TP-Link AV600 is a great choice.

Overall Score: 8/10

The TP-Link Powerline Wi-Fi Extender (TL-WPA7617KIT) is a versatile device that combines an AV1000 Powerline Ethernet Adapter with AC1200 Dual Band Wi-Fi. It provides up to 1000Mbps Ethernet over power and up to dual band 1200mbps wireless internet, making it an ideal solution for extending your Wi-Fi network. With its one-touch Wi-Fi configuration, you can easily copy the network name and password from your router, and any setting changes will be automatically applied to the entire powerline network. The TP-Link Powerline Wi-Fi Extender also features a gigabit Ethernet port, plug-and-play setup, and compatibility with TP-Link OneMesh routers. It even has an extra power socket to plug in other devices. However, powerline adapters must be deployed in sets of two or more, and they must be on the same electrical circuit for connectivity. Overall, the TP-Link Powerline Wi-Fi Extender offers convenience and reliable performance for extending your Wi-Fi network.

Key Features

  • Homeplug AV2 Standard Compliant Powerline Adapter
  • One-Touch Wi-Fi Configuration
  • Gigabit Ethernet Port
  • Plug, Pair and Play
  • One Mesh Compatible
  • Extra Power Socket
  • Deploy in sets of two or more

Specifications

  • Color: White
  • Dimension: 9.80Lx7.60Wx4.00H

Pros

  • Fast and seamless wired/wireless connection
  • Easy one-touch setup
  • Secure wired network with gigabit Ethernet port
  • Convenient extra power socket

Cons

  • Inconsistent performance in some outlets
  • Speeds may not reach maximum advertised limits

The TP-Link Powerline Wi-Fi Extender (TL-WPA7617KIT) is a reliable and convenient solution for extending your Wi-Fi network. It offers fast and seamless wired and wireless connections, with an easy one-touch setup process. The gigabit Ethernet port provides a secure wired network for your devices, and the extra power socket is a convenient addition. However, it’s important to note that performance may vary depending on the electrical outlets used, and the speeds may not reach the maximum advertised limits. Overall, if you’re looking to extend your Wi-Fi network without the hassle of additional wiring, the TP-Link Powerline Wi-Fi Extender is a solid choice.

Overall Score: 8.5/10

Turn your electrical outlets into an ultra fast network with the NexusLink G.hn Powerline Ethernet Adapter. Expand your internet anywhere in the home with up to 16 devices in one network. It is optimized for online video streaming and gaming, reducing lag and dropped frames. Designed for high density environments, it works well in apartments, office buildings, condos, hotels, and more. The device delivers better real world performance with unique G.hn algorithms and features MIMO Dual Phase Technology for a faster and more reliable connection. With easier installation than Ethernet cables, you can get a strong, direct internet connection without the hassle.

Key Features

  • 2-UNIT KIT for easy setup
  • Optimized for online video streaming and gaming
  • Works well in high density environments
  • Delivers better real world performance
  • Easier installation than Ethernet cables

Specifications

  • Color: White

Pros

  • Easy setup process
  • Stable connection for streaming and gaming
  • Works well in high density environments

Cons

  • Speed decreases when crossing a breaker
  • Possible interference with shortwave radios
  • Some connectivity issues mentioned in reviews

The NexusLink G.hn Powerline Ethernet Adapter offers a convenient and reliable solution for extending your internet connection throughout your home or office. With its easy setup process, stable connection, and compatibility with high density environments, it is a great option for those looking to enhance their online streaming and gaming experience. However, it’s important to note that there may be some speed decreases when the signal crosses a breaker and potential interference with shortwave radios. Overall, if you’re in need of a strong and direct internet connection without the hassle of Ethernet cables, the NexusLink G.hn Powerline Ethernet Adapter is worth considering.

Overall Score: 8.5/10

The TP-Link Powerline WiFi Extender(TL-WPA8631P KIT) is an AV1300 powerline Ethernet adapter with AC1200 dual band WiFi. It provides powerline transfer speeds up to 1300Mbps and dual band 1200Mbps WiFi, making it ideal for extending Ethernet and WiFi connections throughout your home. With its 2×2 MIMO technology, it establishes multiple simultaneous connections for higher powerline speeds and greater stability. The one-touch WiFi configuration allows for easy setup, and the integrated power socket lets you power other devices. It also features three Gigabit ports for secure wired connections and works with TP-Link OneMesh routers to create a unified mesh network. Overall, the TP-Link Powerline WiFi Extender offers fast, seamless, and reliable wired and wireless connections.

Key Features

  • Powerline transfer speeds up to 1300Mbps
  • Dual band 1200Mbps Wi Fi
  • 2×2 MIMO technology
  • One-touch Wi Fi configuration
  • Integrated power socket
  • Three Gigabit ports
  • Works with TP-Link One Mesh routers
  • Plug and Play setup

Specifications

  • Dimension: 9.10Lx7.60Wx4.00H

Pros

  • Fast powerline and Wi Fi speeds
  • Easy one-touch Wi Fi setup
  • Integrated power socket for convenience
  • Secure wired connections with Gigabit ports
  • Works with TP-Link One Mesh routers

Cons

  • Speeds may be lower if rooms are on different electrical circuits
  • May block bottom prong on some outlets
  • Limited DHCP functionality

The TP-Link Powerline WiFi Extender(TL-WPA8631P KIT) is a reliable solution for extending Ethernet and WiFi connections throughout your home. With its fast powerline and WiFi speeds, easy setup, and additional features like integrated power sockets and Gigabit ports, it offers a seamless and convenient networking experience. However, it’s important to note that if your rooms are on different electrical circuits, you may experience lower speeds. Additionally, the limited DHCP functionality may pose limitations for some users. Overall, the TP-Link Powerline WiFi Extender is a versatile and reliable choice for improving your home network.

Overall Score: 8/10

The Zyxel AV1300 Powerline Ethernet Adapter Starter Kit is a high-speed powerline networking solution that allows for seamless streaming, gaming, and downloading. With data transfer speeds of up to 1200 Mbps over existing electrical wiring, this plug-and-play kit is easy to set up and provides a reliable and secure network connection. The energy-saving design automatically switches to power-saving mode when no activity is detected, reducing energy consumption. The advanced 128-bit AES encryption ensures network security and protection against unauthorized access. Ideal for Smart TVs, online games, and 4K streaming, the Zyxel AV1300 Powerline Ethernet Adapter Starter Kit is a reliable and efficient solution for improving your home network.

Key Features

  • Fast Powerline Speeds
  • Plug-and-Play Setup
  • Energy-saving Design
  • Advanced Security

Specifications

  • Color: Good – AV1200
  • Dimension: 125.98Lx86.61Wx43.31H
  • Size: Good – AV1200

Pros

  • Fast data transfer speeds
  • Easy plug-and-play setup
  • Energy-saving design
  • Advanced security measures

Cons

  • May not reach advertised transfer rates
  • Ping may be higher than expected
  • Limited download speed compared to wired connections

The Zyxel AV1300 Powerline Ethernet Adapter Starter Kit is a solid choice for improving your home network. With fast data transfer speeds, easy setup, and advanced security features, it provides a reliable and secure network connection for seamless streaming, gaming, and downloading. While it may not reach the advertised transfer rates and the download speed may be limited compared to wired connections, it still offers a noticeable improvement over older powerline adapters. Overall, the Zyxel AV1300 Powerline Ethernet Adapter Starter Kit is a reliable and efficient solution for enhancing your home network.

Overall Score: 8.5/10

The Comtrend G.hn 1200 Mbps Powerline Ethernet Bridge Adapter 2-Unit Kit PG-9172KIT is a reliable and effective solution for improving internet connectivity in your home or office. This powerline adapter kit delivers better real-world performance than standard power line technology, making it ideal for streaming videos and enhancing overall performance. It is designed to work well in high-density environments, such as apartments, condos, and hotels. Plus, it supports an internationally recognized power line standard for true compatibility.

Key Features

  • Delivers better real world performance than standard power line technology
  • Enhances performance and video streaming using LDPC/fec (forward error Correction) technology
  • Designed to work in high density environments (e.g.. Apartments, business offices, condos, hotels, etc.)
  • Supports an internationally recognized power line standard (itu-t) for true compatibility

Specifications

  • Color: White
  • Dimension: 2.30Lx2.20Wx3.70H
  • Size: PG-9172KIT

Pros

  • Delivers better real-world performance than standard powerline technology
  • Enhances performance and video streaming using LDPC/fec technology
  • Works well in high-density environments
  • Supports an internationally recognized power line standard for compatibility

Cons

  • Not as fast as advertised
  • May not reach maximum speed for fast networking

The Comtrend G.hn 1200 Mbps Powerline Ethernet Bridge Adapter 2-Unit Kit PG-9172KIT is a reliable solution for improving internet connectivity, especially in high-density environments. While it may not reach the advertised maximum speed, it delivers better performance compared to standard powerline technology. It is easy to set up and provides a stable connection for streaming videos and other online activities. However, if you require extremely fast networking, this product may not meet your expectations. Overall, this powerline adapter kit offers a cost-effective way to enhance your internet experience and is a great alternative to running cables or using mesh network routers.

Overall Score: 8.5/10

The Tenda AV1000 Powerline Ethernet Adapter(PH6 KIT) is a reliable and efficient solution for extending your network connection through your existing powerline. With a transmission rate of up to 1000 Mbps, it allows for smooth 4K HD video streaming and data transfer. The adapter also features a power socket, which can supply power to other devices such as TVs and set-top boxes. Its plug-and-play setup makes it incredibly easy to install, and the encrypted Powerline signal ensures a secure connection. The PH6 kit is designed to suppress electrical noise from connected devices, enhancing network quality for multimedia streaming. With intelligent power-saving capabilities, it offers energy efficiency and extends the lifespan of the device. Backed by a 3-year warranty, the Tenda AV1000 Powerline Ethernet Adapter(PH6 KIT) is a reliable and convenient solution for your networking needs.

Key Features

  • Av1000 gigabit port
  • Ethernet over power
  • Plug & Play
  • Anti electrical noise
  • Intelligent power-Saving
  • 3-Year long warranty

Specifications

  • Color: White
  • Dimension: 4.27Lx2.42Wx1.77H
  • Size: Ultra AV1000

Pros

  • High transmission rate for 4K HD videos
  • Power socket for additional device connectivity
  • Easy plug-and-play setup
  • Embedded noise filter for enhanced network quality
  • Intelligent power-saving for energy efficiency
  • 3-year warranty for peace of mind

Cons

  • May not work as well in older homes
  • Limited signal strength in certain scenarios

The Tenda AV1000 Powerline Ethernet Adapter(PH6 KIT) offers a reliable and convenient way to extend your network connection through your existing powerline. With its high transmission rate, power socket, and easy plug-and-play setup, it provides a seamless experience for 4K HD video streaming and data transfer. The embedded noise filter enhances network quality, while the intelligent power-saving feature ensures energy efficiency. With a 3-year warranty, it offers peace of mind. While it may not work as effectively in older homes and has some limitations in signal strength, overall, it is a great solution for improving network connectivity and expanding your home network.

Buyer's Guide: Powerline Adapters for Ethernet

Are you tired of dealing with weak Wi-Fi signals and slow internet speeds in certain areas of your home or office? Powerline adapters for Ethernet might just be the solution you need! These nifty devices use your existing electrical wiring to create a reliable and high-speed network connection, allowing you to enjoy a seamless internet experience wherever you need it. To help you in your search for the perfect powerline adapter, we have curated a comprehensive buyer's guide. Read on to find valuable information and tips to make an informed decision!

Key Considerations

When it comes to selecting a powerline adapter for Ethernet, several factors should be taken into account. Here are some essential considerations to keep in mind before making your purchase:

  • Speed: Determine the speed requirements of your network and look for powerline adapters that support those speeds. Keep in mind that the actual speed you'll experience depends on various factors, such as the quality of your electrical wiring.
  • Plug Type: Check the plug type compatibility with your existing electrical outlets. Most powerline adapters come with standard plugs, but some models may have bulkier designs that obstruct neighboring outlets.
  • Single or Dual Ports: Decide whether you need a powerline adapter with one or multiple Ethernet ports. If you have multiple devices to connect, a dual-port adapter allows for simultaneous connections without the need for additional networking equipment.
  • Security Features: Ensure the powerline adapter you choose offers advanced security features, such as encryption and data protection, to safeguard your network from external threats.
  • Compatibility: Verify the compatibility of the powerline adapter with your existing networking equipment. Look for models that are compatible with different operating systems and support the latest industry standards.
  • Range and Coverage: Consider the size of your space and the distance between the powerline adapters to ensure optimal coverage. Some adapters offer extended range capabilities, allowing you to connect devices even in distant rooms.
  • Ease of Setup: Look for powerline adapters that offer simple and straightforward installation procedures. Models with plug-and-play functionality and easy-to-use software can save you time and frustration.
  • Brand Reputation and Customer Support: Research the reputation of different brands before making your purchase. Choose manufacturers known for their quality products and reliable customer support, in case you encounter any issues.

Advantages of Powerline Adapters for Ethernet

Investing in powerline adapters for Ethernet provides several advantages over traditional Wi-Fi connections. Here are a few reasons why they are worth considering:

  • Reliable Signal: Powerline adapters utilize your electrical wiring system, providing a more stable and consistent network connection compared to Wi-Fi signals, especially in areas with poor Wi-Fi coverage.
  • Increased Speed: In many cases, powerline adapters offer faster speeds than Wi-Fi connections, allowing for smoother online experiences, especially when streaming high-definition videos or playing online games.
  • Reduced Interference: Wireless signals can be affected by various interferences, including neighboring networks and physical obstacles. Powerline adapters avoid these issues as they operate over the existing electrical wiring, resulting in a more reliable connection.
  • Extended Coverage: Powerline adapters enable you to extend your network coverage beyond the limitations of Wi-Fi signals, making it possible to connect devices even in distant corners of your home or office.
  • Ease of Use: With their simple setup process, powerline adapters offer a hassle-free way to extend your network. Just plug them into the electrical outlets, establish a secure connection, and enjoy fast internet speeds.
  • Flexibility: Powerline adapters provide the flexibility to add Ethernet connections in multiple rooms without the need for extensive cabling or disruptions to your existing network setup.

Frequently Asked Questions about 11 Amazing Powerline Adapter For Ethernet for 2023

Are powerline adapters suitable for all types of electrical wiring?

Powerline adapters work with most types of standard electrical wiring found in homes and offices. However, certain types of wiring, such as aluminum wiring or old and corroded wiring, can reduce their performance.

Can powerline adapters work across different electrical circuits in a building?

Powerline adapters generally work within the same electrical circuit. If your building has separate circuits, you may need additional equipment like powerline adapters with passthrough or a circuit bridge to extend the network between circuits.

Do powerline adapters affect the performance of other electrical devices?

Powerline adapters utilize different frequencies than common household devices, reducing the chances of interference. However, certain devices like dimmers, motors, or power supplies may cause some signal disruptions, especially in older wiring systems.

Can I use powerline adapters in conjunction with Wi-Fi?

Absolutely! Powerline adapters and Wi-Fi are complementary technologies. You can use powerline adapters to extend your wired network and connect devices that require increased bandwidth or are located far from your Wi-Fi router.

Can powerline adapters be used in multi-story buildings?

Yes, powerline adapters can be used in multi-story buildings. However, the quality of electrical wiring between different floors may vary, affecting the performance of the adapters. Consider using adapters with extended range capabilities or consult an electrician for guidance.