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Best Wifi Extender For Xfinity Router in 2022 – Top 6 Picks

Comcast Xfinity is a well-known and probably the most popular internet service provider in the USA. They are known for providing great broadband service. Xfinity also provide modem router on rent when you choose one of their internet plans. For some, the ISP provided wifi device is enough and has good wireless range. But if there are places in your home or office where wifi signals are unable to reach (dead zones), than it is time to get a good quality wifi extender. Having a best wifi extender for xfinity internet can eliminate dead zones so you can enjoy your wifi at any corner of your house. Wifi extenders are pretty easy to set up, they receive signals from your router, extending it or transmitting the signals to the furthest areas of your house or workplace.

The Best WIFI Range Extender For Comcast Xfinity Router – Our Top 6 Recommendations

NameRange BandsLAN
TP-Link N300 Wifi Extender For Xfinity800 sqft2.4Ghz1-Port
TP-Link AC750 Travel Wifi Signal Booster 1500 sqft2.4Ghz & 5Ghz1-Port
TP-Link Deco M5 Wifi Mesh Extender For Comcast Xfinity5500 sqft2.4Ghz & 5Ghz6-Ports
Netgear Orbi Mesh Wifi System For Xfinity Router5000 sqft2.4Ghz, 5Ghz, Dedicated 5GHz7-Ports
TP-Link AC750 Wifi Range Extender1200 sqft2.4Ghz & 5Ghz1-Port
Superboost Range Extender for Comcast Xfinity2500 sqft2.4Ghz1-Port

Wifi boosters can work with almost all kinds of ISP provided modem routers. Most of wireless range boosters can cover pretty large area but if you still have dead zones in some places then mesh wifi system is the solution. Mesh wireless system works by connecting two or more devices (known as nodes) with each other, then placing each node at optimal location so it can cover almost each corner of your place. There are plenty of wifi repeaters available in the market but not all of them are up to the expectations. To help you choose the best, we have listed some of the best wireless range extenders which are compatible with Comcast xfinity and can be set-up in no time.

 If you are in a hurry, we would recommend you getting TP-Link Deco M5 Mesh Wifi Extender system for your xfinity device, considering it has amazing range, easy to set up, built-in parental control, firewall and dual band supported.

1. TP-Link N300 Wifi Range Extender – Budget Friendly

TP-Link N300 WiFi Extender(TL-WA855RE)-WiFi Range...
  • Extend Wi-Fi Coverage - Boost Internet Wi-Fi Coverage up to...
  • Eliminate Wi-Fi Dead Zones - Enjoy Lag-Free connection to...
  • Stay connected - Expand Wi-Fi coverage for your Smart...
  • Easy Set Up - 2 simple taps and you are ready to connect,...

Last update on 2022-07-18 / Amazon Affiliate links / Images from Amazon Product Advertising API / As an Amazon Affiliate, i earn from qualifying Purchase

  • MIMO Technology
  • Easy To Set Up
  • High Compatibility
  • Affordable
  • No 5GHz Band Support

TP-Link n300 is one of the best most affordable wifi extender you can get for your Comcast xfinity internet. It is a single-band wall-mountable device that supports speed of up to 300Mbps. The product has two prongs to fit into a power outlet and a very cool, circular LED on the front. The display will tell you, depending on which section of the circle is blinking or lit up, whether the gadget is currently extending a network, and the strength of the wireless signal. The extender also has an Ethernet port, so it can act as a bridge, allowing you to connect one device via wired to your wireless network. However, it is not a gigabit Ethernet, so you won’t get the advantage of wired Gigabit speed.

The product has only 2.4GHz channel and can cover up to 800 sqft of area. Additionally, it also supports MIMO technology ensuring stable connection for the connected devices. It comes with schedule option as well which auto turn off and will turn it on the time which have been set. You can further control this device by using TP-Link tether app for advance functionality. The wifi extender works with all kinds of operating systems including Windows, Android and MacOS.

2. TL-WR902AC Multipurpose Wifi Extender for Comcast Xfinity – Best Portability

TP-Link AC750 Wireless Portable Nano Travel...
  • Travel Sized Design: Conveniently small and light to pack...
  • Dual Band AC750 Wi Fi: Strong, fast connection for HD...
  • One Switch for Multiple Modes: Perfect for Wi Fi at Home,...
  • Flexible Power: Micro USB port to an adapter, portable...

Last update on 2022-07-18 / Amazon Affiliate links / Images from Amazon Product Advertising API / As an Amazon Affiliate, i earn from qualifying Purchase

  • Dual Band
  • Five Different Modes
  • Easy To Carry
  • Universal Compatibility
  • No Gigabit Port

This tiny wifi device may not looks like that much powerful but it sure gets the job done. This TP-Link AC750 probably one of the best portable multipurpose wifi extender you can use with your xfinity internet. Its portability allows it easy to carry hence make it travel friendly and easy to move. It has two powerful built in antennas which can cover up to 1200 sqft of area. It comes with rechargeable lithium ion battery providing amazing battery backup. On the side of this device it has one power port, WPS/Reset button, USB port and Ethernet port. The device supports all the latest security standards including WPA and WPA2.

The wifi product is dual band supporting 2.4GHz channel at 300Mbps and 5GHz channel at 433Mbps, providing combined maximum speed of up to 750Mbps, making HD streaming and online gaming experience pretty great. One of the most highlighted feature of this product is that it supports five modes. Wifi range extender modeRouter Mode – Access Point Mode – Client Mode and Hotspot Mode. You can switch any of the mode by accessing the device settings page easily. This tiny device gives you five feature modes in just one product. Pretty amazing I would say. Additionally product has multipurpose USB port using which you can charge your device as well can share data using USB cable. Additionally, it comes with standard Ethernet port too. The device supports all wifi enabled devices including Android, Macbook Pro and supports TP-Link Tether App.

3. TP-Link Deco M5 True Mesh Wifi System – Best Choice

TP-Link Deco Mesh WiFi System(Deco M5) –Up to...
  • If you're looking to ditch your traditional router extender...
  • Better coverage than traditional Wi-Fi routers: Deco M5 uses...
  • Seamless and Stable Wi-Fi: Rather than Wi-Fi range extender...
  • TP-Link unique Adaptive routing technology automatically...

Last update on 2022-07-17 / Amazon Affiliate links / Images from Amazon Product Advertising API / As an Amazon Affiliate, i earn from qualifying Purchase

  • Adaptive Routing Technology
  • Great Wifi Coverage
  • Smartphone App Support
  • Firewall & Antivirus Protection
  • Pricey

TP-Link deco M5 is one of the best budget friendly mesh wifi system you can get for your Comcast xfinity connection. Deco M5 has three nodes, each node is disc shaped and attractively fashioned on top with a status LED light residing at the top of each one. Each node is equipped with a pair of next-gen auto-sensing Gigabit Ethernet ports and type-C power supply port.

The device has four powerful internal antennas and offers 2×2 Mu-MIMO connection for a speed of up to 400mbps on the 2.4GHz channel and 867mbps on the 5GHz channel. It supports WIFI-5 technology, and combining both channels, it can deliver up to 1.3-Gbps of speed making it ideal for 4K streaming and online multiplayer gaming. It is a mesh based system, to make sure you don’t have any dead zones you have to place each device in separate places of your house which can help you to eliminate dead zones more efficiently. This mesh wireless system has pretty long range and can cover up to 5500 sqft of area.

Additionally, the device comes with built-in antivirus protection which can filter out malicious sites, protecting all your connected devices. The gadget has parental control and content filtering feature using which you can restrict network usage and can block many sites which can negatively affects your kids. The device is pretty easy to set up and all of its features can be accessible from the TP-Link deco app which is available in app store. Furthermore, it comes with tp-link home care system and this mesh system is compatible with Comcast xfinity internet and all kinds of wireless enabled devices such as smartphone, smart TV and Laptops.

4. Netgear Orbi Tri band Mesh Wifi System for Xfinity – Best Performance

NETGEAR Orbi Tri-band Whole Home Mesh WiFi System...
  • Ultra-performance Mesh WiFi network blankets every inch of...
  • Eliminates WiFi dead zones and buffering - 5,000 square feet...
  • The most award-winning Mesh WiFi system on the planet: PC...
  • Maintains speed even as more devices use your WiFi at the...

Last update on 2022-07-17 / Amazon Affiliate links / Images from Amazon Product Advertising API / As an Amazon Affiliate, i earn from qualifying Purchase

  • Dedicated Band For Speed
  • MIMO & Beamfoaming Technology
  • Advance Firewall Protection
  • Expensive

The Netgear Orbi system comes with a router and one satellite; they are identical in appearance and are covered in a white, soft-touch enclosure that looks like a slightly compressed cylinder. This mesh system is pretty great replacement of traditional wifi extender for your xfinity connection considering it can cover huge area. At the top of each device is an LED light ring. On the back, at the base of the router, are three Gigabit LAN ports, a WAN port, a USB 2.0 port, and Sync, Power, and Reset buttons. The satellite component also has a light ring that blinks white while the satellite is booting up and turns solid blue when the connection to the xfinity router being established. It also has same four Gigabit LAN ports, Reset, Sync, and Power buttons, and a USB 2.0.

The Netgear Orbi is a tri band mesh wireless system, has six internal antennas and can deliver speeds of up to 1,200Mbps to clients (400Mbps on the 2.4GHz band and 800Mbps on the 5GHz band). The third band is what separates the Orbi from the competition; it’s considered a backhaul band because it is fully dedicated to communications between the router and the satellite. This dedicated band is of 5GHz that can reach maximum speeds of 1,733Mbps. Considering its performance, product is ideal for 4K Ultra HD content streaming and amazing multiplayer gaming experience.

Furthermore, it comes with all the other advanced technologies such as MU-MIMO and beam-foaming which ensures that each of the connected device gets the stable internet speed. This mesh wifi system is universally compatible with all kinds of ISP providers including Comcast xfinity connection. Additionally, it includes firewall, threat protection, Guest wifi and DoS protection making internet and browsing experience safer for everyone.

5. TP-Link RE230 Wifi Signal Booster and Repeater for Xfinity Router

TP-Link AC750 WiFi Extender (RE230), Covers Up to...
  • Extend Wi-Fi Coverage - Boost Internet Wi-Fi Coverage up to...
  • Fast Ethernet Port: Experience wired speed and reliability...
  • Set Up in Minutes: Easily set up and manage your Wi-Fi in a...
  • Universal Compatibility: The RE230 range extender is...

Last update on 2022-07-18 / Amazon Affiliate links / Images from Amazon Product Advertising API / As an Amazon Affiliate, i earn from qualifying Purchase

The RE230 is a dual-band wall plug-in wifi range extender compatible with Comcast xfinity, has a white textured finish that will blend perfectly with most of home designs. The front of this wireless signal booster has LED indicators for both radio bands, signal strength to the router, power, WPS, and LAN port activity. On the back of it, it has two-pronged plug used to insert the device into a wall outlet. At the bottom of the extender, it has a Reset button and Ethernet port for wired connection.

The RE230 is an AC750 wireless signal booster which can reach the speed of up to 300Mbps on the 2.4GHz band and up to 433Mbps at 5GHz band. It has three internal antennas and can serve up to 20 devices at the same time, but it lacks support for MU-MIMO simultaneous data streaming technology. However, it does offer a High-Speed mode which makes it a pretty good wifi extender for multiplayer gaming, where one of the bands can be dedicated for backhaul connectivity between the extender and the router while the other band provides client-to-extender Wi-Fi connectivity. Setting up the device is pretty easy, can be done via web console or using Android, iOS smartphone application.

6. SETEK Superboost Wireless Range Extender – Best Compatibility With Xfinity

  • Easy To Set Up
  • High Gain Antennas
  • Over-Current Protection
  • Reasonable Price
  • No 5GHz Band Support

The design of this wireless product is pretty basic. It has a square like style, having two high gain antennas outside. At the bottom, it has one gigabit Ethernet port. The device is pretty easy to configure, and can be plugged in any wall outlet.

This wifi range extender is fully compatible with Comcast xfinity internet. It supports max speed of up to 300Mbps. The device has wifi coverage of up to 2500 sqft and can connect up to 15 devices simultaneously with it. The wireless extender has high speed processor ensuring stable internet speed. Additionally, it comes with over-voltage protection ensuring maximum safety. The device supports all the latest security standards, including WPA, WPA2 and can easily connect this device using WPS push button functionality. This extender also support five different wifi modes and has a reset button on its side which will help you reset the device pretty easily when needed.

What to look for when buying WiFi Extender For Xfinity? (Buying Guide)

Look out for these things before making an purchase.


Higher the range, better the wireless coverage area will be. Ideally, you should go for 1000-3000 sqft wifi range extender for xfinity. But if you have pretty big area to cover then you might need to consider mesh wifi system in which you connect multiple mesh nodes with each other to cover the whole area else you going to need multiple extenders.


Wifi extenders often comes with single band and dual band support. Dual band range boosters offer better speed as compared to single band but they are somewhat expensive. So, if you have pretty fast internet connection and your router support both 5GHz and 2.4GHz band as well then go for extender which has Dual Band functionality.

Extra Features

Some Wifi repeaters comes with extra features such as Gigabit Port, built in firewall and WPS push button setup etc. These features don’t have much impact or they don’t directly affect the functionality of the extender but they can be useful sometimes. So, if you can afford extender or mesh wifi which has some extra features, go for it.

Do Wifi Extenders Work With Xfinity?

In general, wifi extenders are universally compatible and works with almost all kinds of ISPs including Xfinity connection. But if you are having difficulty connecting your extender then you can always reach out for support or claim warranty.

Is Mesh Wifi Better Than Extender?

A mesh wifi system can cover much larger are as compared to normal single extender. If you are looking to cover large area than mesh system will be ideal for you otherwise normal range extender will be fine

Do Wifi Extenders Affect Speed?

Normally, Wifi extenders don’t affect internet speed. If you feel slow speed, first read the instruction manual which can be found on product site or in the product box and check if everything configured according to it. Also, make sure your range extender is not too much far from the router and if your extender is dual band then make sure 5GHz channel is enabled. If you still face issue, you can reach the manufacturer via phone call or their tech support forum.


Wifi extenders are pretty great devices for enhancing your xfinity router signals. Every user has their own needs and requirements. Also, each product has their own pros and cons. Now, it depends on your preferences, which product fits your need. If you have any question, let us know in the comments.

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Hi There. I am the creator of this website. By Profession, I am an IT Support Engineer, Network Security Technician, and a Digital Marketer. In my free time, I love to explore new technologies, products, and services. Here, my aim is to bring quality content to my website visitors. I will be posting tech reviews, tips, and much more. I hope you will enjoy your stay here. It's my pleasure to have you here.

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