Optical fibres; light conducting filaments; acceleration sensors; pressure sensors; light-emitting diodes; round plug connectors; electrical junction boxes; plug connectors; sensors for determining position; sensors for determining temperature; sensors for determining velocity; liquid-level sensors; temperature sensors; thermistors; ultrasonic sensors; vibration sensors for installation in windmill housings

Computer networking hardware; External modems; LAN (local operating network) hardware; Modems; Telecommunications and data networking hardware, namely devices for transporting and aggregating voice, data, and video communications across multiple network infrastructures and communications protocols; VPN (virtual private network) hardware; WAN (wide area network) hardware; Wide area networks