... sending pulses of infrared light to a device, while RF remote controls use radio waves in much ... The "1" might be represented by a long flash, while "0," a short flash. A receiver, built into ... The "1" might be represented by a long flash, while "0," a short flash. A receiver, built into ... departments: R&D, Manufacturing and marketing. We hire more than 200 employees, including top engineers to invent ...