Hi, I sent the Archer C7 back and install temporary again the "Fritz N/G Repeater". At the same place (outside the window, on the windows sill) a get 4 balks of 5 and get 108Mbit. If I take the...

Oki, therefore I can try to use DD-WRT, if the original firmware isn't good. Bit first, I send the router back and test the new router. Then I can decide, if i buy another router when I get the same...

Then maybe the following router a better :D ASUS RT-AC66U -> CPU Broadcom BCM4706@(600MHz?) / 256 MB RAM / 128 MB Flash

Thanks for your support. But why is the WDR4900 more reliable as the Archer C7?

I test 5 GHz with my notebook in front of the TP-Link with disabled encryption. The connection doesn't work. First, I'm able to connect, but after some secons I lost the connection. After the lost, I...

Okey, I try it this afternoon. But the encryption is the same between 2.4GHz TP-Link and 5GHz TP-Link. Furthermore, I can connect with my notebook to the 5GHz Fritzbox. I inform you, when I test it...