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Linksys AC1900 Dual Band Open Source WiFi Wireless Router (WRT1900ACS)

Linksys AC1900 Dual Band Open Source WiFi Wireless Router (WRT1900ACS)

Linksys AC1900 Dual Band Open Source WiFi Wireless Router (WRT1900ACS)

  • Wireless-AC, up to 4.3x faster than N technology: Simultaneous dual-band speed up to 600 Mbps (2.4 GHz) + 1300 Mbps (5 GHz) for media – intensive applications
  • 4 high-performance antennas: Engineered to enhance dual-band communication, four external, adjustable antennas ensure supreme Wi-Fi signal strength in multilevel homes and small offices
  • Dual Core 1.6 GHz CPU: Powerful CPU promotes simultaneous high-speed data processing allowing multiple users to simultaneously game online, stream movies, and transfer files without lagging
  • Share content via an external storage device with ultra-fast data transfer speeds. USB 3.0 delivers enhanced performance over USB 2.0; eSATA delivers optimal data transfer speeds from external SATA drives and accommodates USB 2.0
  • Users can prioritize devices or websites, gain parental control over content, monitor network activity, turn Wi-Fi access on or off and create select password – protected guest networks. Network Map offers a visual map of the home network
  • Open Source Ready: Users gain unprecedented access to customize the router
  • Package includes: Linksys WRT1900AC Router, 4 external, dual – band detachable antennas, Quick Start Guide, CD – ROM with Documentation, Ethernet Cable, Power Adapter and Power Cord
  • Processor: Dual-Core 1.6 GHz ARM-based

Bring unparalleled Wi-Fi performance into your home with the WRT1900ACS Dual-Band Smart Wi-Fi Gigabit Router from Linksys. Featuring a unique four external antenna configuration and a powerful 1.6 GHz dual-core processor with 512MB memory, the router is engineered to support active online households by eliminating dead spots in multistory buildings. Multiple users can simultaneously game online, stream movies, and transfer files without lagging interruptions. In addition to four Gigabit Ethernet

List Price: $ 249.99


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  1. 144 of 146 people found the following review helpful
    5.0 out of 5 stars
    Slow speed still, allow me to help!, December 20, 2015

    Verified Purchase(What’s this?)
    Now this is a router!
    First i would like to start by saying i absolutely love this router. Its WIFI range is great, its dual band so i have choices and i can set up a guest network with the click of my mouse. It has a friendly User interface that allows everyday users to make changes as they see fit. It also allows for media prioritization by simply dragging your computer, or any device to the top of the list or to a separate list. This will ensure that no matter how many devices are connected your chosen device will always get what bandwidth it needs.

    Now The IMPORTANT part.
    Some people including myself have found that the speed coming out of the router to the devices was not as advertised from my Cable company. Directly from the Modem i received 100 MB down but the moment i used the router i was getting only 30. I even used the Built in speed test app in the router. After hours of hunting for the problem i discovered the culprit. The router comes pre programmed to Cap the at 30 MB.
    HAVE NO FEAR, the solution is simple.
    1: Log in to you router at (assuming you did not change it.)
    2: Click the media prioritization tab on the left.
    3: Click setting (see attached picture)
    4: Change the number. to whatever your max limit is. 0 may be unlimited though i have not tried this i just raised mine from 30000 to 120000

    Enjoy the router!

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  2. 166 of 180 people found the following review helpful
    4.0 out of 5 stars
    Signal strength was good, speed was good, features good, October 9, 2015
    J. Donaldson (Redding, CA USA) –

    This review is from: Linksys AC1900 Dual Band Open Source WiFi Wireless Router (WRT1900ACS) (Personal Computers)
    Vine Customer Review of Free Product (What’s this?)

    I must say evaluating a router isn’t easy. I spent over 4 hours, making changes, doing tests, and writing this report.

    There are two things I’m interested in with a WiFi router. 1) How easy is it to setup. 2) How fast is it.

    If you don’t like reading long detailed reviews here is the synopsis: The setup was easy, the signal strength was good, and the data transfer rates were good. I recommend this router.

    If you like more detail read on…

    This is the easiest to setup router I’ve ever used, and I’ve had perhaps 10 WiFi routers over the years. I disconnected the previous router, connected all of the cables to this router, and powered it up. With a browser I went to address and logged in (using the username and password from the documentation). I selected the automatic setup and went through a couple of steps, renaming the 2.4 GHz and 5 GHz and setting my own choice of password. That was pretty much it. All of my WiFi devices just worked as did the 1TB hard drive I plugged into the USB port. I did have to map the 1TB drive to our computers which was an expected extra step.

    This is a much more difficult thing to test. There are many variables and signal issues to consider. There are “channels”, “bands”, signal strength, and data transfer rates.

    In the end, to give you the short version, I found this router to be better than the relatively new TP_Link AC router it will replace. But it isn’t magic. It might take some experimentation to squeeze the best behavior out of this Linksys.

    When using the 2.4GHz band other devices such as cordless phones and baby monitors can be on the same band and reduce the signal strength. When running WiFi tests on my smartphone one of the weakest channels is always the channel I’m on. That’s because my phone is using a lot of the bandwidth on that channel and mode. That alone reduces the measured signal strength on that channel. Of course all of the neighbors have WiFi and several devices such as tablets, laptops, smartphones, ROKU, and other devices that can interfere with the available signal strength.

    We are on a cable modem, not a DSL line. DSL offers slower data rates but the data rate is constant. With DSL you’re not sharing the bandwidth with your neighbors. With cable we share the bandwidth with many other people so the bandwidth increases and decreases as other people in the neighborhood use the internet.

    So trying to evaluate one WiFi router vs another isn’t easy because so many things can cause signal strength and data rate variations during testing. But there isn’t much I can do about that so I just went ahead and ran the two tests at my disposal. One is an app on my smartphone called WiFi Analyzer, and the other is the widely known SpeedTest.

    My test method was this: I first ran tests using my old WiFi Router. I went to the four corners of our tract home lot. At each corner I ran both the WiFi Analyzer and SpeedTest, recording the results. I then replaced the old TP-Link AC1200 WiFi router with this Linksys WRT AC1900 Dual-Band Smart WiFi Router and ran the tests again. We live in a single story detached wood frame home. The WiFi router is mounted somewhat off center of the house on top of a 6′ high wood cabinet.

    I ran most of the tests on the 2.4GHz band because I have some devices that only run on that band. I did do one test on the 5GHz band and the results were good, but as the old TP-Link router didn’t have a “B” mode 5GHz WiFi option I could not run comparison tests. I have zero devices with the new AC mode so could run no tests at all for that mode. I suspect most people have no or few AC mode devices. AC devices have been out for a while but I have not had a need to replace any of our devices and many new devices still don’t come with the AC mode. We’ve installed two WiFi printers recently and both only have the 2.4GHz band.

    The results were far less than positive for the Linksys in terms of signal strength at first. So I fiddled with two variables.

    The first change I tried was to install High Gain antennas on the Linksys replacing the four small antennas included. I had previously installed the new High Gain antennas on the TP-Link, which at the time made very little difference while running the same tests. I took the High Gain, much larger, antennas off the TP-Link and installed them on the new Linksys. The results were worse than the stock antennas. Length of the antenna isn’t an indicator of a better signal. I have a background in electronics and spent 4 years on military radar so I understand antennas are tuned. My advice to myself and others is don’t waste your money on high gain antennas.

    The second change I made was to the channel. The TP-Link router had automatically chosen channel 6, but the new Linksys had automatically chosen channel 1. So,…

    Read more

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  3. 8 of 8 people found the following review helpful
    2.0 out of 5 stars
    Just Not Good Enough for Modern Broadband – Caps out at 45mbps, January 12, 2016
    Phil L. (San Jose, CA) –

    Verified Purchase(What’s this?)
    Much has been said about the venerable Linksys WRT54G/GL line of routers and they were fantastic for their time. The hardware hasn’t changed much since 2005, and it’s definitely starting to show. I had an older WRT54 years ago, reflashed with DD-WRT, and it served me well on my DSL line for years. That, however, was years ago, and I currently have a very high speed line from Comcast.

    After worrying that my latest router (a 5 year old Buffalo HP-G300) was having some random issues with it’s power supply, I remembered the old WRT54GL line and purchased one as a replacement. It was up and running perfectly in minutes. I use a separate and dedicated wireless access point so I disabled the wireless radio on the Linksys and ran some tests using only a cabled LAN connection. That’s when I noticed something was very wrong.

    This router caps out at about 45mpbs (about 5.6 megabytes/sec). It just won’t offer me any more throughput than that. This is without even bothering to mess with the wireless, I’m talking just my computer and my modem plugged into this router via Cat6 cables. If I were to use the wireless, I can imagine that would be even slower due to nearby radio interference. It just doesn’t have enough processing power in it’s 10 year old design to handle more than 45mbps.

    I plugged my computer directly into my cable modem, using the same cables, and ran the same speed tests and immediately saw 175mbps. I plugged my computer back into my Buffalo and saw 172mpbs. I went back to the Linksys to the same speed test sites, and still saw only 45mbps. I upgraded the Linksys firmware to the latest from their support site, and same 45mbps. I flashed the appropriate DD-WRT onto the Linksys, thinking maybe it was something goofy with Linksys’ firmware, and still, only 45mbps.

    So I just can’t recommend this venerable guy if you pay for anything faster than a very basic cable 45mbps broadband package. You’ll be paying for internet speed that you can’t use if you have this router. I suspect this will be fine for most DSL installations as well as satellite internet, but for any modern broadband provider you’ll be gimping your speed by using the WRT54GL.

    If you do own this router and pay for faster broadband, you may want to plug directly into your modem and do some speed tests without having this router in the loop. You may be surprised to find that your speeds are significantly faster, and if so you should upgrade from this router.

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