Ключевые слова: 3d, 4g, access, background, broadband, cell, cellphone, cellular, communication, compatibility, compatible, computer, concept, conceptual, connect, connection, connectivity, data, digital, fast, frequency, generation, icon, information, internet, lte, mobile, mobility, modern, network, networking, new, phone, rate, sign, spectrum, speed, standard, symbol, tech, technology, telecommunications, text, transmission, transmit, web, white, wifi, wireless,