 WIFI               

        

                WIFI     

                 

               9000 

    

            WIFI        

                WIFI 

   WIFI            

             

        3000         

          

            

      1.      WIFI         

     WIFI   

      2.  WIFI       WIFI    

      WIFI          

        

      3.  WIFI            

            

  

      4.      WIFI          WIFI

    WIFI            