2 - From 1G to 4G
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7 سال پیش
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This is the 2nd part
This is the 2nd part of the series Evolution of communication,
In the first videohttps://goo.gl/2A9aah
we showed how the way we communicate evolved from Pre historic age to modern age.
In this video we have described how the wireless commercial communication developed from Push to Talk system to 1G and then 1G to 4G and towards 5G.
For first generation we described AMPS(Advanced Mobile Phone system).
For 2nd Generation we discussed the introduction of SMS and development of data services through GPR
7 سال پیش
در تاریخ 1396/04/13 منتشر شده
است.
116
بـار بازدید شده