Ключевые слова: 3d, antenna, button, call, channel, color, colorful, communicate, communication, device, distance, electronic, emergency, equipment, frequency, icon, illustration, isolated, military, minimal, minimalism, mobile, mobility, object, personal, phone, police, portable, purple, radio, receive, receiver, render, rendering, security, sign, speaker, symbol, system, talk, talkie, technology, transceiver, transmit, transmitter, voice, walkie, wave, wireless, yellow,