& nbsp; & nbsp; & nbsp; & nbsp; 1942 American actress Heidi & middot; Ramah and composer of her husband proposed a spectrum) technology concept, this is called "spread spectrum" theory then gives us the incredible changes in, that is, the theory of Technology< p > 1942 American actress Heidi & middot; Ramah and composer of her husband proposed a spectrum) technology concept, this is called "spread spectrum" theory then gives us the incredible changes in is the technical theory eventually evolved into today’s 3G technology,
sexy Sleepwear, spread spectrum technology is 3G technology based on the fundamental principle. May 24, 2008, the Ministry of industry, the development and Reform Commission, the Ministry of Finance jointly issued the circular on deepening the telecommunications system, after a year, China Mobile communication pattern has been described as earth shaking changes.
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first China Telecom to buy China Unicom CDMA network,www.fashionsalewatch.com, and vigorously develop the EVDO 3G technology. After the company in the stock exchange and New York stock exchange delisting,fake bags, and the composition of the new China Unicom Unicom, and to get a license WCDMA3G. Followed by China Mobile TD-SCDMA3G standard used to enter the formal standard from the test.
mobile Internet faster and faster
system is different, the frequency band is different, but all the 3G technology can be summed up as a key word, that is the bandwidth. And before slowly different GPRS, 3G can provide the user with near home broadband like internet speed and throughput, relying on high throughput bandwidth, the user can Application of broadband Internet, mobile office, video calls, mobile TV, mobile phone music even mobile phone net swims wait for the original can only rely on household broadband can be achieved.
longines watches< p > from the establishment of the 2000 3G standard to 2008 began operations in April of TD-SCDMA, to today’s 3G technology popularization, has gone through 11 years, is also a "old times King Xie Tang Qianyan, flying into the homes of ordinary people. Remember two years ago in May 17th, when China Unicom’s WCDMA network formally test operations, the author has the honor to become China’s first batch of 3G users. As with colleagues, the author got stuck in a long time after the purchase of iPhone3G mobile phone. Up to now.