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1. Mobile TD-SCDMA has not yet been listed, and the corresponding tariff will be launched after listing.
You don't need to change the number after G is activated, but your mobile phone must support TD-SCDMA format, for example, the mobile phone you buy supports CDMA2000, then you can only use the number of Telecom. Now it has not been said that a mobile phone supports TDS and supports 2000, that is to say, a mobile phone only supports one kind of 3G, so the choice of mobile phone must be selected.
3. China Unicom's WCDMA is a relatively advanced technology, which is used more in the world, especially in Europe, and the current European version of the parallel Nokia mobile phone with 3G function supports WCDMA; The second is Telecom's CDMA2000, the most garbage should be mobile TD-S, with 3G mobile phone recommended Unicom, and it is said that Unicom 3G is listed first.
4. Beijing Telecom has launched a 3G computer wireless broadband network card on April 3, downlink and uplink; The theoretical speed is very fast, which makes the computer wireless Internet access to a new level.
5. Say something extra. I also did a card telecom 3G wireless network card, in the business hall when the test was really fast, but after arriving home, the signal is very bad, the network speed is also very slow, but telecom is very responsible, often play ** to communicate with me, and then make adjustments and then communicate with me, although there is no effect for the time being, but I think it will be good in the future, after all, it is just listed and unstable, understandable. Therefore, don't buy a telecom 3G wireless network card for the time being, and buy it after it is stable.
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If you have Unicom, it is recommended to use a Unicom number, which can support 3G without changing numbers. China Unicom 3G uses the world's most advanced WCDMA technology, with a global market share of 77% and a high speed. Mobile TD is a domestic technology,You can imagine,The fastest is not more than 2M,Telecom's CDMA2000 is basically outdated,Looking forward to Unicom's。。。
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TD-SCDMA has been activated, the internet speed is not bad, and it should be stable in a short time.
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Is 3G Internet really fast? The wireless network card theoretically has 3m on it, and the signal of the wireless Internet is provided by the base station near you, because the broadband bandwidth of the base station is shared by everyone, and there are more people who use it, and the rate will naturally slow down, or even unstable, generally about 100-200k, so it is recommended that you try to use wired Internet access.
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Technology is always getting more and more developed, getting better and better
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There can be a variety of reasons why 3G internet is slow:
1. The signal is not strong. The signal is not strong, which will directly lead to slow Internet speed, and this problem can only be solved by waiting for the telecom company to optimize the base station, or the owner of the post himself to change places.
2. Mobile phone problems. The problem of mobile phones is an important factor in mobile Internet access. Unlike PCs, different phones have a big difference in performance when surfing the Internet. However, new telecom 3G mobile phones, such as Moto
The performance of the XT800 and other Internet access is quite good.
3. The network is too busy. A too busy network can also lead to slow internet access. Because a base station can serve fewer users, and the base station is generally configured to give priority to voice services, the speed will be very slow when there are more people playing ** or surfing the Internet.
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There are three types of 3G networks in China.
China Mobile TD-SCDMA
China Unicom WCDMA
China Telecom CDMA 2000
Basically, the Internet speed is more than 6 times that of the mobile phone we usually use, which is equivalent to a miniature laptop.
Now Beijing, Shanghai, and Guangzhou are all in use.
Charges vary from place to place.
It is said that the 3G network is the best connected.
Because it was introduced directly in Europe.
Relatively stable. And the mobile is self-developed.
Telecom is directly using Unicom's 133cmda mobile phone modification.
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China Telecom is EVDO, China Unicom is WCDMA, and China Mobile is TD-SCDMA
Now**The fastest upload speed is, of course, Unicom's WCDMA, it is said that the current network speed can be reached, but if you need a high-speed rate, it is recommended to use Unicom, but Unicom can only be used in urban areas, and some rural areas should not be covered;
Telecom's EVDO is the most extensive network coverage of the country's 3G network, if your home is in a town or countryside, it is recommended to use Telecom, because in addition to some ravines there is no signal, there is basically a telecommunications network has a 3G signal (I am doing telecommunications network optimization, all the telecommunications understand), the current highest speed of telecommunications is, there may be a slower network speed in urban areas, but it should not be too serious, the specific coverage you directly 10000 consult the local telecommunications customer service;
Mobile is TD-SCDMA, because it is China's independent intellectual property technology, so the state is strongly supportive, but due to technical reasons, at present, part of the technology on the TD has not been perfectly solved, in addition to the equipment coverage is closer, in short, TD is not too good, but also urban coverage, rural areas can not have, cities and towns do not understand, may be partial, its network speed is now. However, 4G-LTE, which is jointly researched by China Mobile and European countries, has now been put into trial operation in some cities, and it is said that the future is good, and the network speed can reach 100+ ms.
The above data is based on my work test, but in fact, it is impossible for customers to use these network speeds, after all, it is a shared network, and there is a conversion of size k, that is, your actual network speed * 8 is about equal to the network speed advertised by the network, which is the same as the fixed-line broadband conversion we use.
In addition, according to ZTE's friends, in fact, Telecom and Unicom's 4G are also under development.
So it depends on your friend's location, whether it is package time or package traffic, you need to choose.
Thank you!! If you think it's okay, give it an affirmation!!
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I bought an annual card. 2000m traffic per month. 820 yuan.