where can i find a list of wireless adapter that debian support

[loushanguan2015]

i hate to install firmware from non-free sectionin some instances free adapter 
perform better than non-free one
i browse some e-shop, some vendor claim that you needn't driver for their 
adapter installationi guess driver is included somewhere in adapter, vendor say 
they can be installed in Windowsafter all chinese desktop market is dominated 
by Windowsit's very difficult to install them in linuxsome web site offer 
instruction on how to install them in linux