I actually bought the first set of 3 from Best Buy and then the 4th from Revain, FYI I have 4. Pros: It's easy to set up, seems reliable and the coverage is LOTS better than my Apple Airport Extreme. I like the app with speed tests and other info like connected devices. Cons: If you have more than one device, you are forced to use NAT on the main device, which converts your entire network to NAT, which in many cases results in it being sub-NAT if your router doesn't support bridging . I don't know, AT&T in their infinite wisdom can't build a clean bridge, never get bored with AT&T and Comcast, ugh. So in my case I was forced into DMZ with my AT&T modem, some of you may know that DMZ is NOT the same as a pure bridge between modem and router and let me explain why. With a pure bridge, ALL incoming and outgoing traffic, coming from inside or outside, is simply forwarded to Google Wi-Fi's main module, which then does all the routing in and out. In the DMZ ALL ports point to an IP address (my main Google Wi-Fi box) but unlike a pure bridge not all data goes through properly. Example #1: My Ryobi garage door opener has an open and close app. After I finished setting up my new mesh network, I couldn't complete the setup of the garage door opener, the setup process ALWAYS went through the setup process, I tried maybe 50 times. For days I thought GDO was broken, even started an RMA with Ryobi. I figured it was too random that it stopped working at the same time I installed Google Wi-Fi, so I installed my old Apple Airport Extreme Wi-Fi and connected it directly to an AT&T modem, bypassing NAT became. on Google Wi-Fi and BAM! The installation worked and it worked again and again, I tried several times. *Update, this might work on Apple Airport Extreme as Ryobi GDO only runs at 2.4GHz and Google Mesh was so close to GDO that it forced GDO to use 5GHz Wi-Fi (stupid) while Google Wi- Fi no option to hardcode has 2.4GHz on a given Wi-Fi device. -- OR it could be NAT causing the issue as originally thought, I'm just not sure at this point, either way it's an issue I didn't have before installing Google Wi-Fi. Example #2 I am using D-Link Home Smart Plugs, they provide a scheduling feature e.g. For example, turn the lights on at 5:00 p.m. and turn them off at 11:00 p.m. This schedule stopped working when I installed Google Wi-Fi. When I manually turn the light on or off via the app, it always worked, but the schedule for all 5 of those devices stopped working completely. I turned them off, kept resetting them, and nothing got fixed until I reset them and plugged them back into my Apple Airport Extreme, which connected directly to my AT&T modem, bam, the graph started working. So the moral of the story is this. That. If you have smart devices in your house, some of those smart devices, maybe older ones, might not work properly behind NAT OR maybe ONLY 2.4GHz WiFi. Any problem will NOT be obvious that it is related to Google Wi-FI. Basically, I'm talking about the underlying logic. If devices were working before installing Google Wi-Fi and are now not working or only partially working, it is most likely due to double NAT (Network Address Translation) OR your devices only use Wi-Fi 2.4GHz. - Spectrum Fi and GW are trying to use 5GHz on this device. In my opinion, if we want our modems to continue to be SINGLE NAT, Google should allow users to opt out of NAT on Google Wi-Fi. Yes, I know Google, some of the app's good features, like the grid-to-web speed test, won't work properly, but at least I can open the garage door and turn on the light. For now, the pros outweigh the problems and I'll move on with Google Wi-Fi. However, if I find more surprises, I can send it back for a refund. Before that I tried the overpriced W-Fi UB - UNIFI MESH system and it was really good, but my T-Mobile Wi-Fi calls didn't stay on my iPhones when I was at home and at the time this problem seemed to appear being a big problem me lol now its not that bad to be honest and i will come back to it when google wifi not working. Just take a look. For Google, I took the time to tell you in detail what your shortcomings are, both here in this review and directly to you. I sincerely hope you add a way to disable NAT for multiple hosts or find out why DMZ doesn't work the same way a real bridge does and make it work the way it does. There are/will be MANY customers who have smart devices in their home and don't understand why some of their devices suddenly stopped working and just give up and send their devices back. I personally think you could do a better job on device compatibility. Seems like some stubborn decisions were made on your part to force your Google users to use NAT and 5GHz? Why? Thanks Rob
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