...لكن الهاتف الخلوي الأول ليس مناسبا حقا ....
Transcript
00:00But the first cell phone isn't really appropriate. the mobile phone calls weigh about twenty kilograms .
00:10Dr. Brennan, I'm sorry.
00:12I-I-I-I-I-I-I-I… Oh, well, it's too expensive. It only costs one device
00:17up to fifteen thousand German marks. Meanwhile, first-generation mobile phone networks were shut down.
00:27Paving the way for the second generation
00:29In the 1990s, data was transmitted through new mobile phone standards, the Global Mobile Telecommunications System
00:37Or, in short, GSM. Its speed is 0.2 megabytes per second. people make digital phone calls .
00:47In this process
00:48Sound signals are translated into books and alone Once they reach the future, they're transformed again
00:58from
00:59Advantages. Quick dispatch and minor disturbances. The second generation network can do more.
01:09sending oil messages at the beginning of the millennium. The third generation joins the international mobile communication system
01:16In short, the speed limit is 42 megabytes per second
01:21Finally, the mobile Internet portal is open
01:26E-mail is about surfing the Internet and chatting everywhere the mobile becomes a constant companion.
01:35The fourth generation succeeded in 2010.
01:39The fourth generation sends more and more data via the cell phone network quickly and signals race.
01:47Video clips and photos are sent in full.
01:51The new standard is called a long-term evolution that's at maximum speed of 1,000 megabytes per second.
02:00And one more thing
02:02The fourth generation operates on the same frequencies around the world for the first time.
02:10But the actual abundance or physical presence seems different because not every receiver can signal. The miracle is already there.
02:20D
02:21The fifth generation reaches amazing speed,
02:27The maximum performance is tens of thousands of megabytes. In the second, huge amounts of data are transmitted almost in real time
02:36A lot of tools are tied together. First of all, thousands, because the fifth generation is the Internet of things
02:45The firstborn.
02:46Fifth generation's supposed to be better than the others, but it's still in its infancy. In most countries
02:55the
02:59that