1.- The wireless option disappears and the connection is lost with the remote antenna
2.- At local (ether1), after reboot the wireless option exists again, but the wlan interface is disabled and the SSID is equal to “system identity”
Before open new topic ,check if your problem are already know:
http://forum.mikrotik.com/viewtopic.php?f=1&t=85867&start=50#p430889