Ключевые слова: abstract, abstraction, antenna, broadcasting, cell, communication, concept, dot, dotted, frequency, geometric, gradient, gsm, halftone, hotspot, icon, illustration, internet, matrix, mobile network, mosaic, network, online, pattern, pictogram, pixel, point, radio, radio signal, rainbow, rectangle, rectangular, router, sharing, signal, source, spectral, spectrum, spot, square, structure, transmission, wave, web, web access, wifi, wireless,