GPS antenna 120 GPS RECEIVER |/O devices 122 112 USER INPUT _ I DEVICE | _ _ — — -‘ Activation flag 108 | A/V Ping signal I indicalor 204 I 118 Data port 7 I 114 ' . . . j ldenllflcatlon II : Wireless ‘ 4 206 .\ mgggke I 116 i . Dead PROCESSOR _ _ _ _ ' R _T_ \ - 102 . . reckonmg devices 124 A ll . . Authorization module Data bus 128 1 10 A V Y) i > RAM DEM ROM “>4 126 106 Fig. 2A Sensor 100