Video screens for displaying and communicating public safety, evacuation and emergency messages to the public; safety sensors, namely, nuclear/radiation detector, explosive detector, and detectors for detecting hazardous materials, contraband, and other substances; communication equipment, namely, cellular, satellite, digital radio, and WiFi antennae and network systems, communication hubs, computer hardware and software for setting up and configuring metropolitan and WiMAX networks; cameras;...

Video screens for displaying and communicating public safety, evacuation and emergency messages to the public; safety sensors, namely, nuclear/radiation detector, explosive detector, and detectors for detecting hazardous materials, contraband, and other substances; communication equipment, namely, cellular, satellite, digital radio, and WiFi antennae and network systems, communication hubs, computer hardware and software for setting up and configuring metropolitan and WiMAX networks; cameras;...