Replaced the provided by forthnet, technicolor td5136v2 which itself was not that bad but had some issues that bothered me. Mainly with the wifi in certain modes (sluggish when using wpa instead of wpa2, but it's fine if you know) and the insecure menu (you can access it without a password as long as you know the URL that takes you to the router settings) and occasional restarts when it slows down for no reason.
If you're bothered by your provided or old router that has connectivity issues (disconnects, poor wifi, freezes), I think this is an affordable good solution without the aforementioned problems.
That being said... It is reliable, stable in connection, and has good wifi (in terms of range and compatibility). Occasionally restarts and slows down, and sometimes a device refuses to connect to the wifi, but overall it can be considered "stable" especially in its price range. It locks a little better or the same as the technicolor (but not worse). Of course, since I have a good line (locking at 16-17mbps), I don't have an opinion on how it performs on unstable poor lines. However, I've heard good things from others.
The setup was easy (at least if you know what you're doing) and everything was configured through the GUI. Be careful, as I installed the wind firmware version on my forthnet network, it came with a default adsl user, a winduser or something like that. The router did lock at 16-17mbps, as much as my line supports, but I had some kind of bandwidth control (it wouldn't download more than 4mbps). And it repeated after a restart, so I realized something was not right. Then I entered the forthnet adsl user credentials (which I had, otherwise you can request them from forthnet) and after a new restart, it connected normally, meaning I could download as much as my lock allows (the bandwidth control/limit was gone).
As for its capabilities, it has the "known" and "essential" ones, while in the extras, it supports Guest Wifi with a different SSID and password (same channel) where you can also set bandwidth control (if your neighbor asks for it). I haven't tested it yet, but that's what I see in the menu.
It has a Wifi on/off button and WPS (two different ones). It doesn't have USB and it's not for file sharing with the 2.4ghz wifi N it supports (for that, look for someone with AC and above).
In short, it's better than the one it replaced in my own conditions and network. I use it in a small house with few connections (2 laptops, 1 mobile). If you're going to replace your problematic provider-provided router (one that broke or one that never worked properly), I recommend choosing this one for €20, I think it's worth it (it's also sold in wind/forthnet stores at the same price). We're talking about ADSL (not vDSL).
P.S. It has telnet, which works out of the box on unbranded versions. There you can tweak more advanced settings like SNR, etc. For the simple and most useful ones, the Web-GUI is enough and it's sufficient for 98% of users.
However, if you get it in the wind/forthnet version (branded version) with modified firmware, they have changed the telnet password (it's not the same as the GUI) and you have to find it to connect. Personally, because of my "job" and this thing bothering me, I "discovered" it by looking at the settings file that you get as a backup and opening it with a suitable program since it's not in txt format. You may find it on the internet who it is (I won't write it here, sorry), but the process is common with other routers that play tricks so that the user cannot access the CLI and tamper with their support (they want only themselves to access it). However, since I bought it (anyway, I am not with wind isp), the equipment belongs to me and I should have full access to it and the CLI (not that I ultimately needed to do anything with it).
P.S. The antennas are not like the ones in the photo here on skroutz (they are not pointed, they are slightly larger and more modern, also they do NOT change, they are fixed)