Linksys WRT1900ACS Review

For long-range Wi-Fi performance at your home, the Linksys WRT1900ACS (AC1900) dual-band router is perfect. The router kicks dust in other brands face when it comes to configuration and performance. This is one of the top 802.11ac networking routers with a reasonable price, has loads of ports, a powerful range, and great monitoring software.

Linksys has taken the WRT1900AC model and updated it with this flagship router. Are you persuaded or not? Check our Linksys WRT1900ACS review out and decide for yourself if it is worth buying.

What makes the WRT1900ACS Unique?

For one, the AC1900 has a fast processor with double the RAM, resulting in a fast performance with multi-user connections. In addition, it is able to give up to 1900AC Wi-Fi speed with the four aerials and dual-band setup. There is one USB 3.0 port, USB 2.0 port, and four GB Ethernet ports.

Linksys WRT1900ACS

DesignPrime Features

The WRT1900ACS has a chubby design with only one embellishment that stands out, the blue plastic cover. One could say it has the same shape as a sci-fi robot. The router stands on four rubber feet. One more standout is you can wall-mount the router to save space.

The four antennas removable and you can move them around to achieve the best signal strength. Compare to the predecessor Linksys has removed the fan and replaced it with an energy efficient chip. They altered the power supply and built it into the plug. This new design does not take up loads of space at the socket.

Around the back of the router, you have all the connectivity ports. These comprise the four GB Ethernet ports and a 5th one for connecting the router to a modem. Then you have your 2.0 and 3.0 USB port, power socket, reset button, WPS button, and switch.

On the front, you have your LED indicator lights with a symbol in place showing you the feature. The nice thing is the lights correspond with right connection or button on the rear. This is superb, as you know where you need to plug in any extra devices.

The wireless router has a 1.6GHz ARM processor, a 1.2GHz chip and has 128MB of flash memory and 512MB of DDR3 RAM. The downside is that the AC1900 has no Multi-user-Multiple Input Multiple Output. You can configure the Linksys with the Smart Wi-Fi app to monitor and manage your home network. This service also allows you to manage your router from anywhere.

The eminent thing about the Linksys AC1900 is that you can configure the router through the iOS & Android app or web browser. You can change the name of the network for both radio bands. The router can be set up to broadcast over one or both radio bands. This means you can use it as a wired or wireless router.

What distinguishes this router from the rest is the Internet Protocol 4 and 6. This keeps the router updated with the latest technology for years to come. You can check the device performance and see to which server the routers connected.

The parental controls built-into the router and you can plan network access or block sites. You have two guest networks that are great to set up gaming parties and limits the number of users connected.

Furthermore, it has an outstanding inspection firewall, WEP, and WPA2. The device authenticates users when used in a small business for secure communication.

Other Features
  • The AC1900 has two radio bands the 2.4 GHz and 5 GHz
  • There are four removable antennas and uses an external power adapter
  • You can use the router wired or wireless and has the latest data link protocol IEEE 802.11a/ac/b/g/n
  • The transfer rate is 1.3 Gbps
  • There is one WAN port with five GB Ethernet ports
  • You can use the AC1900 as a wireless router, access point, wired/wireless bridge or wireless repeater
  • Two-year warranty


The Linksys WRT1900ACS is a high-end router that lives up to its name. The wireless router offers you a consistent connection over both bands. The router is capable of transferring up to 600 megabytes per second while used with 2.4 GHz band. When used in the 5 GHz band you can get up to 1300 Mbps. Furthermore, it uses Beamforming technology for the best wireless signal but lacks the MU-MIMO ability for controlling traffic management.

Linksys WRT1900ACS

When tested:

  • Both bands delivered a total of 500.3 Mbps
  • At 15-feet the transmission when using the 2.4 GHz is 94.7 Mbps and the 5 GHz gives you 403.8 Mbps
  • At 50 to 140 feet the transmission on the 2.4 GHz 21 Mbps

What is in the box?

  • The Linksys WRT1900ACS Wi-Fi router
  • Four Antennas
  • Power Adapter
  • Ethernet Cable
  • CD-ROM
  • Quick Start Guides

Pros and Cons Related to the Linksys AC1900

The Linksys AC1900 offers you everything you need with its durable design, excellent performance, and Open-WRT Support. However, as with any device, it does come with its shortcomings.

  • Excellent USB transfer
  • Durable with a functional design
  • Has Open WRT support
  • Easy to set up
  • Has useful ports for different devices
  • The applications powerful for managing and monitoring the network
  • Powerful hardware
  • Very blue and might be a turn-off for some users
  • Does not have MU-MIMO
  • Large footprint
  • For MAC users, there is no Time Machine backup

The Setup

Linksys WRT1900ACS

Once you have, the router connected the software pushes you in creating a Smart wireless account to access the router. This same feature connects to the mobile app giving you remote access to the device. Users found the interface a bit slow but the layout is basic and has different features. Furthermore, you can use the browser-based setup or the Smart Wi-Fi setup to install the router. You will need the following hardware:

  • Windows 7/8.1/10
  • MAC OS 10.X or higher
  • Internet Explorer® 8
  • Safari® 5
  • Firefox® 8
  • Google Chrome™

Final Thoughts

If you are looking for the best wireless router for long-range use, the Linksys WRT1900ACS is perfect. The units built to last and support OpenWRT. For the price, you get a router packed with amazing features. You get a fast internet packed with powerful hardware and runs quietly without the fan. For speed, network storage, and signal stability the AC1900 is hard to beat. Unfortunately, it is not one of the cheapest Wi-Fi routers. If you are currently, experience a sluggish internet connection the Linksys AC1900 comes highly recommended.

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