signal transmission towers on high mountains, dark skies, and constellations moving across in silence. time lapse with stars and space dust in the universe, long speed exposure, night landscape - 無線電波 個影片檔及 b 捲影像00:50波浪型
red sonar circles loopable 4k stock video template on white screen background - widening rings earthquake map pin icon animation - 無線電波 個影片檔及 b 捲影像00:16紅色, 白色
tv color band noise is a sign of screen failure and an image that cannot be displayed - 無線電波 個影片檔及 b 捲影像00:16
innovative microchip design featuring communication tower on a circuit board. 3d animation - 無線電波 個影片檔及 b 捲影像00:11
hand on loran machine / us navy officer talking on intercom / vs officer charting course on map on table / hand operating ship controls / vs sailor... - 無線電波 個影片檔及 b 捲影像01:08
4k stcok video of oscilloscope wavelengths showing vibrant colors using dynamic movements - 無線電波 個影片檔及 b 捲影像00:24
space probes - exploring our solar system - part 2 of 18. animation, live photography, and models of spacecraft and instruments tell the story of man's efforts to explore the outer regions of space - from the launching of pioneer i in 1958 to present-day - 無線電波 個影片檔及 b 捲影像00:30外太空
b/w 1962 animation zoom out from transmitter on globe to wide shot two transmitters beaming rays to satellite - 無線電波 個影片檔及 b 捲影像00:09
a collection of analog static noise textures. suitable for use as overlays or backgrounds. no signal white noise artefacts. - 無線電波 個影片檔及 b 捲影像00:27
3d animation of a gsm repeater tower emitting waves in urban cityscape. vertical 3d animation - 無線電波 個影片檔及 b 捲影像00:10
static and electronic noise, television glitch background. no signal display. - 無線電波 個影片檔及 b 捲影像00:08電視雪花
glowing neon, audio spectrum with alpha effect on black background, 4-color - 4k stok video - 無線電波 個影片檔及 b 捲影像00:12波浪型, 黑色的背景, 噪音
3d animation of a rotating gsm repeater tower with glowing lines in urban cityscape - 3d render - 無線電波 個影片檔及 b 捲影像00:20波浪型, 手機, 互聯網
tv static noise white noise effect old tv television screen stripes grain waves lines texture grunge pattern analog video background no signal interference vcr retro glitch distortion loop - 無線電波 個影片檔及 b 捲影像00:24電視雪花, 噪音
4k simple equalizer on green background. motion graphic and animation background - 無線電波 個影片檔及 b 捲影像00:30波浪型, 噪音
augmented reality and virtual reality interfaces in real-world, mobile graphical user interface applications in the future, metaverse technology concept - 無線電波 個影片檔及 b 捲影像00:14智慧城市
radio wave transmission from outer space reaches an antenna on a caribbean island. - 無線電波 個影片檔及 b 捲影像00:03
satellites beaming rays down to transmitters on earth / space background - 無線電波 個影片檔及 b 捲影像00:04復古風格, 外太空
