Now comes the trick: DD-WRT and OpenWrt. DD-WRT offers the "nicer" GUI but should not be solved according to DD-WRT Forum the problem with Wi-Fi.
So looked at OpenWrt and behold. Issue has been identified and there spellbound.
The latest official stable taken by OpenWrt and the router flashed when GUI comes LUCI used.
What can I say? The result is terrific. My upload and download is above the maximum. Faster line I had never before. My download is 25.5 Mbit / s and upload my 1.1 Mbit / s. More is not (in my direction). Previously, I had about 5% less.
The wireless problems are now gone. The network is faster, the device quickly find the net, the downloads are faster clicks and pings also. It seems that all the firmware has been purified and overhead is avoided.
The funny thing is that I had to operate the wireless beforehand with 100% (same channel, same channel width) and now can go back to 50% in order to achieve the same result.
This is just awesome.
OpenWrt itself is amazing. One can find a beautifully maintainable OS before what you, as with Linux usual, update and can expand with new packages.
Terrific! For the price you get here an ingenious router but its potential unfolds only by OpenWrt. The original firmware drives an unfortunately mad ...