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A defect detector is a device used on railroads to detect axle and signal problems in passing trains. The detectors are normally integrated into the tracks and often include sensors to detect several different kinds of problems that could occur.
A flat-panel display (FPD) computer monitor A cathode-ray tube (CRT) computer monitor. A computer monitor is an output device that displays information in pictorial or textual form. A discrete monitor comprises a visual display, support electronics, power supply, housing, electrical connectors, and external user controls.
A Portable People Meter worn by Nielsen Audio panelists to monitor media exposure The newer NPM-1 Portable People Meter (FCC ID 2ASUZ-NPM-1) installed in a wristband. Nielson Universal Meter Gateway UMG-2, which uses BLE to connect to the meters and uploads the collected data via LTE .
Digital mobile radio (DMR) is a digital radio standard for voice and data transmission in non-public radio networks.It was created by the European Telecommunications Standards Institute (ETSI), [1] and is designed to be low-cost and easy to use.