How to use Speed touch 585 as AP Client ??

hi ..

i have my main wireless modem .. but i want to connect (Satellite receiver "Dreambox") to the Internet ..

the problem is : the main modem is far from my (receiver) ..

and i have a ((speed touch 585)) .. can i use this speed touch as AP client ..

the result ..

((Main Modem)) ----wifi--->> ((Speed touch)) -----Ethernet cable--->> (satallite Reciever)

as shown in the picture attached ..

i hope i find the solution here ..
Thanx ..

Attached Images