WiFi keeps on dropping

Asus Transformer Pad TF103C, some times, after rebooting, has WiFi functioning but after a few seconds dies. Does anyone knows what it might be? And buy the way where is the WiFi module in this model?

Thank you

crwdns2934089:0crwdne2934089:0 crwdns2934093:0crwdne2934093:0

crwdns2934109:0crwdne2934109:0

crwdns2889612:0crwdne2889612:0 0
crwdns2934285:0crwdne2934285:0