Underground object indicating device
Underwater detection and deterrent system
Underwater device with transmitter
Uni-directional magnetic tag
Uninsured and/or stolen vehicle tracking system
Unique method for embedding business process into RFID grid
Unique method for embedding business process into RFID grid
Unit for sensing physical quantity
Unitary alarm sensor and communication package for security alar
Unitary core transponder
Universal alarm system
Universal colorimetric imaging array device
Universal control apparatus and methods
Universal earthquake safety valve
Universal encrypted radio transmitter for multiple functions
Universal gateway module for interfacing a security system...
Universal gravity operated intrusion sensing device
Universal merchandise tag
Universal mounting plate for audible-visual alarms
Universal mounting plate for audible-visual alarms