GPRS介绍

felines · 发表于 2009-4-17 11:05:15

发一份GPRS介绍,看了这么多贴子,也开始做点贡献.
【文件名】:09417@52RD_GPRS介绍.pdf
【格　式】:pdf
【大　小】:144K
【简　介】:
【目　录】:

The What and Why of GPRS
Why?
• Mobile internet over GSM
• Data charged per byte not per second
• Variable bandwidth
What?
• Packet data system (IP and X.25 supported)
• Extension to GSM
• ‘Always on’ connection
• Mobility support

huangkewei · 发表于 2009-4-22 08:37:13

[em02]

shaohua50 · 发表于 2009-4-28 11:40:42

thank you[em05][em02]

gelili_0930 · 发表于 2010-7-7 11:39:05

Thanks greatly for your unselfish sharing!!!

jyhscy · 发表于 2010-7-15 01:17:54

thank you very much！！！！！！！！11

kaitlynsun · 发表于 2011-3-15 13:37:45

thank you very much!!!!!!!!!!!!!!!!!1

ly19850213 · 发表于 2011-3-29 15:01:39

thank you very much

windyleaf07 · 发表于 2011-4-5 16:21:00

thank u for your share[em01]

czb999 · 发表于 2011-4-7 20:50:07

下载，多谢了！

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