Originally Posted by SteveS78
Ok, I bit the bullet and went ahead returned the Arris router/modem combo. I then purchased both a router and modem (separate units) that are Netgear brand. The router is the Netgear AC1750, which has 3 antennas. It runs two bands concurrently (5G and 2.4G). The 5G, which most of our devices do connect to, runs insanely fast everywhere in the house. Only thing I am trying to get worked out is getting the 2.4 band with faster speeds. The speeds for the 2.4 are still alot better than the other unit I had, but they still dip down to 30-40 megs (as opposed to over 70 I am getting on the 5G band). Anyone have any suggestions on how to maybe increase my 2.4 speeds?
Also, I did notice the signal STRENGTH on the 5G is not as strong throughout the house as the 2.4 band even though the speeds are way faster. Is there any way to improve the signal STRENGTH (not the speeds) for the 5G band?
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Your experience is to-be-expected, IMO.
1) I believe a 2.4 GHz signal has inherent advantages over a 5 GHz signal, in terms of it's ability to travel longer distances. This is a laws-of-physics type of thing. Lower frequencies are more efficient over longer distances.
2) The 5 GHz band will be faster than the 2.4 GHz band, because new WiFi standards (such as AC) won't work on 2.4 GHz. I think this has nothing to do with laws-of-physics limitations, and everything to do with simply that when WiFi standards were developed for 2.4 GHz, the internet simply wasn't as prevalent/developed, and as a result they didn't "standardize" as many distinct/unique "Channels", and now when everyone-and-their-mother has WiFi, and we all live so close to each other (suburban communities, townhomes, apartments, etc) and we're all broadcasting this 2.4 GHz signal, their simply are not enough channels available to "get away from each other" and not interfere.
The 5.0 GHz band has been standardized with a lot more channels available... so there's more room for all of us to be using it and not interfering with one another. Going forward, new WiFi standards, like the newest one (AC), aren't even developed for 2.4 GHz. I believe this is why...
It's purely coincidence that your internet speed happens to be approximately the "max speed" that I personally can get, over 2.4 GHz, with any of my dual-band capable devices. So when you run tests, you wouldn't necessarily be able to see what I"m about to share (and this is just my own personal experiences; YMMV). As someone that has 155 mbps internet from Comcast, on the 5 GHz band I can routinely test 165-172ish on my smarphone when standing right next to the router (because when I'm using the 5 GHz band my phone is using Wireless AC, which doesn't work over 2.4 GHz)... and when I switch over to 2.4 GHz, and stand at the same spot, I usually pull something like 60-65 mbps. And with a Netgear Nighthawk R7000 I can pretty much pull that 160ish mbps in almost every corner of my home on 5 GHz (because the R7000 has excellent range). But if I head out into the back yard and walk away from my home, the speed on both bands begins to reduce... eventually, there is a break-even point where my 2.4 GHz speed and my 5 GHz speed intersect... going beyond that break even point, my 2.4 GHz band begins to outperform my 5 GHz band on speed.
If I am sitting in my next door neighbor's living room, or in my across-the-street neighbor's driveway (for what we call "driveway beers"), I can usually pull 10-12 mbps on 2.4 GHz... and I can't get/hold a connection to even run a test on 5 GHz.
TL;DR - 2.4 GHz has better range. 5.0 GHz has better top-end speed. Your router is now functioning as expected. Glad it's working better for you!