Ключевые слова: 3d, abstract, access, antenna, background, broadcast, business, code, communication, computer, concept, connect, connection, cyber, data, design, digital, electronic, free, future, futuristic, hotspot, icon, illustration, information, innovation, internet, mobile, network, phone, public, radio, router, screen, secure, security, sign, signal, spot, symbol, technology, transmission, virtual, wifi, wireless, zone,