The mobile device control module 490 may receive input signals from {TAIL ~ the network interface} 494 and {HEAD ~ the external interface} 499 
The mobile device control module 490 may receive input signals from { TAIL ~ the network interface } 494 and { HEAD ~ the external interface } 499
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD OTH