Ключевые слова: 3d, 3g, 4g, abstract, background, broadband, button, cellphone, cellular, communication, computer, concept, connection, connectivity, data, gsm, high, icon, internet, isolated, letter, logo, logotype, lte, media, mobile, mobility, multimedia, network, networking, object, pc, phone, render, sign, smartphone, speed, standard, symbol, tablet, technology, telecommunication, text, web, white, wi fi, wifi, wireless, word, www,