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Worried stressed businessman having a phone call in his office
Portable Japanese-built amateur radio HF transceiver seen being operated by a radio ham. The screen display shows the HF frequency and waterfall.
Emergency Response Specialist: Police Officer Monitoring 911 Calls For Help
Phone call, crying and mother with baby in home with stress for injury, hurt or sick child. Telehealth, medical emergency and portrait of sad kid with African mom on mobile conversation at house.
Young woman driver standing at the open hood of a car in the countryside calling using smartphone

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