D-Link USB WiFi Adapter AC600 Mini (DWA-171)

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The product I have just received was marked as Model DWA-171 and also shown as an AC600 Mu-Mimo dual band USB adapter. This is slightly different to the older model listed in that it has a WPS button on its side face not on the end face of the unit. However, I have never had luck installing Wifi keys using the WPS button on any device. I have both DWA-171 models, so the major difference with the AC600 model lies in the installation of the software which took me some time to understand the process When first plugged in, the unit was recognized immediately by my laptop but showed up in Device Manager as a Portable Device not Network Adapter. So when I found it in Windows Explorer it had been allocated a new drive letter. When clicking on the drive letter, I could then see the software Exe file. Clicking on this started the software installation, then all was fine. So the software installation was completely different to the other DWA-171 model and I’m sure this method of software installation will be missed by many customers creating problems with people wrongly believing the unit was faulty. The unit works fine and is a better solution for connecting to the internet over WiFi when using my new HP laptop that came with only a single band Wifi card. I am pleased with the way the unit functions over both wave bands. When in the same room as my router the connection over the 5GHz band works brilliantly fast but when several rooms away from my router then the 2.4GHz band is stronger. So it is great to now have two wave band options using such a small but very effective device.

Update:
I have several good mini-laptops with XP installed which I upgraded to Windows 7. I tried the adapter but it would not work until Microsoft updated the software to Windows 7 Service Pack 1. Then the adapter was alive! So now I have several ultraportable laptops which have superb internet connections using the adapter.

I really wanted to like this adapter but this device is not a good product. The first one I got, my computer had a hard time recognizing it. When it came to the step in the installation process to insert the adapter, the computer would give a message that my usb device was not recognized or not functioning properly. I figured it was a connection issue, so after taking it out and putting it in 10 or 12 times I finally got the computer to recognize it and complete the install (yes, I felt dirty afterward). The problem going forward was that the slightest touch to the device would cause it to become disconnected from the network. Any movement or shifting would do this. So I did a defective return and got another one a few days later. The next one didn’t have quite the trouble installing but had the exact issue where the slightest touch or shifting in the usb port would cause disconnection from the network. And this one had even more trouble reconnecting after the disconnect than the first one. I’m not sure what it is about the design that won’t let the adapter shift in the port even a little without disconnecting from the network, but that’s what this thing does. The secondary issue I had was that it would only connect at 72mps on my 2.4 ghz frequency. The 5k had much better results at over 400mps at times. I really liked the compact size but for me the frail connection made this model unusable. I have recently upgraded my network with a d-link AC1200 router and was looking for a dual band adapter for my laptop, but I’m sending both of these back. I previously purchased a d-link dwa-140 for my desktop which works great. It connects at 130mps but doesn’t have the ability to work at higher speeds on the AC standard. After all the connection issues with the dwa-171 I installed it on my laptop and tried to move it around in the usb port to see if maybe it was my laptop causing the issue or maybe if this is just normal. It has no problem no matter how much I shift it around in the port, so I have to conclude this issue is due to the design of the dwa-171. So, I will continue shopping for another dual ban ac adapter because the dwa-171 is junk.
**Edit/Update 12.17.13
After returning both of the Dwa-171 that I tried, I ordered the Edimax EW-7811UTC AC600 Dual-Band USB Adapter based on the good reviews it had received. I had never heard of Edimax which is part of the reason I chose the D-link product to begin with, even though the specs are similar and the Edimax is $10 cheaper. The EW-7811UTC suffers from none of the problems I had with the dwa-171. It connects in the USB port firmly and the minor play in the port that it has does not result in a disconnect should it be moved or shifted in the port. I’ve been using for about a week and haven’t had a single disconnection. The disc that came with it did not include a driver that was compatible with windows 8.1, so my computer would continue to reboot until I unplugged it. However, with excellent customer service from Edimax I was able to find and download the correct driver and the product has worked perfectly since. Their email response time was less than 30 minutes and they stayed with me through 8 email exchanges over a short period of time until the issue was confirmed fixed. I did not expect such top notch customer service from a company I had never heard of before. Based on the excellent connection speed (usually around 400mbs) and the excellent customer service I will first consider Edimax products when shopping in the future.

Great price and delivery time

I love these wifi adapters! I have 2 of them and they’re much faster than I expected. I got mine to upgrade 2 laptops that have only older 802.11n wifi adapters and these give better connection speed, quality, and range even though it’s just a tiny little USB adapter. I’ve tried other USB wifi adapters including some huge ones with giant antennas, and none of them have worked as well as these have even though these are only listed as AC600 speed. Recommended!