The display is a 6.67-inch OLED screen with a resolution of 1220 × 2712 pixels and a 120Hz refresh rate. It comes with a 4,800 mAh battery with support for 68W wired charging and wireless charging ...

Once upon a time, ham radio was all about CW and voice transmissions and little else. These days, the hobby is altogether richer, with a wide range of fancy digital data modes to play with. [KM6LYW ...

A police officer, encountering an emergency situation, pushes a button on his hand-held radio and automatically dispatches a drone to come to his aid. In another scenario a team of officers en route ...

Abstract: Radio frequency Fingerprint (RFF) is an emerging security technology that identifies devices by utilizing the RF impairments of hardware devices, with the acquisition of fingerprint signals ...

Abstract: Presented research is dedicated to the gradual transition from analogue types of railway radio communications to digital radio standards, mainly to the DMR standard. It was found that there ...

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