PTCL EVO external antenna

today i got my evo rev.A (

Huawei EC169 )

http://product.it168.com/detail/html/picture/0432/221550/3207621.shtml

but i cant find out where to connect eternal antenna to it ... this is new evo now given by PTCL to its customers

i have a doubt on uper right side but its just a design.

kindly help me out to connect external antenna to it

waiting for urs reply.