3. Log in to the device, select Advanced-> Wireless-> Security and change the security settings. Then connect again. 
 
6. Where should I place the wireless device for optimum performance? 
1. Place it in the center to extend wireless coverage as far as possible. 
2. Never place the device near to metal objects or in direct sunshine. 
3.  Keep it  far  away  from  devices  that  use  the  2.4  GHz  radio  wave  frequency  to  transmit and  receive  data,  such  as 
802.11g/n wireless network devices, electronic devices such as cell phones, radio transmitters, blue tooth, cordless 
phones, fax machine, refrigerator and microwaves to avoid electronic interference.