on a laptop with debian wi-fi is constantly torn

Question

Debian

Actually, the dlink dir-300Yu point
on the laptop set up wifi through kde-network-manager, the connection is constantly torn
how to check the case at the point or in debian how can I tweak it?

ps I think this dhcp client and dhcp server are not friends somewhere,

Answer 1

wpa2 personal
now set static ip in the kde network manager settings, everything works stably!)
I think it's the dhcp client settings in debian

Answer 2

Isn't it about wood?
Look at the card model through lspci