transmission system wallpaperProviderpixabayResolution3552 × 2368Aspect ratio1.50:1AuthorrsunshineSourceOpen original page Download wallpaper Available sizesPreview150 × 99Web640 × 426Large3552 × 2368Tagstransmission systemantennaradio technologyantennasbroadcast towercommunicationradio antennabroadcastradio towertechnology