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This article shows you how to test the telecom 3G Internet access under the linux system, the content is concise and easy to understand, it will definitely brighten your eyes. I hope you can get something through the detailed introduction of this article.

I have set up a set of 3G Internet equipment for Telecom, which is not cheap. Even I want to say that I have lost my family, but I can't do it without it. I can't live without the Internet, although I never use qq.

Equipment

The equipment I finally chose went like this: a 3G wireless card, placed by the window for the signal, a 5-meter-long usb extension cable, connected to the network card at one end, 3G wireless router at the other, or directly to the laptop. The network card I bought Huawei ec122, available under the measured linux, 3G wireless Mercury products bought by me, built-in 2000 Ma battery, can be used as a mobile power supply in an emergency, and can last 4 hours in case of a power outage.

Huawei ec122 is set up like this under linux. I'm not good enough, so I set it up under the graphical interface. Click to set up the network manager, wireless connection tab, I am an English system, do not know what to call it in Chinese, after plugged in, will not automatically create a new connection, at least my kernel seems to be 3.2no, manually click New, will identify the network card, select the network card when selecting the device, and then select the region as china, the operator will automatically identify china telecom, that is, China Telecom, select this, and then fill in the username password Click on the Internet to say it seems to be unified, Username=ctnet@mycdma.cn Password=vnet.mobi, and then click finish. Right-click the network manager, open the wireless network and connect.

Fee card I bought from Taobao the legendary 1 Mao card, no monthly rent, no minimum consumption, no telephone fee validity, long-term charging on time, 10 cents per minute, that is, 6 yuan per hour, which is expensive enough. Well, this card is not cost-effective in the end, because it is a time card, whether it is cost-effective or not mainly depends on the speed.

Speed

I tested the files in Xunlei offline under linux and downloaded them with firefox. The speed of diving between 60k/s and 150k/s (extension: detailed explanation: what is the 4m broadband download speed) is about the same as actually imagined. However, it should be noted that the firefox built-in download is a simple single-threaded http download, and it can be safely returned to the next lossless file, at least indicating that the wireless connection is very stable, although the speed is unstable.

Finally, 148m files were downloaded at 24: 00. at this speed, the price of 370m per hour is 6 yuan per hour, so the price of dragging 2GB down is about 32. Go to Taobao to buy a 2GB traffic card, at least 66, not counting postage, telecom and JD.com are even more expensive. So it's still cost-effective.

And 1 Mao card also has another advantage, 0 monthly rent, 0 minimum consumption, which means that usually do not need to spend, do not need to bother to maintain, emergency can be used, this is any fee card does not have the advantage.

It's also important to note that during peak hours (7: 00), a single-threaded download concluded that I was close to the city center (if I was in the suburbs or in the countryside, the speed would be greatly affected). What if I use the download tool? If you avoid the rush hour, the speed can be stable at 150k? What if the weather is better? Of course, this is only hypothetical, but if it comes true, the cost will be about doubled.

Finally, I am not satisfied with 3G tariff, but I can afford it if it is only an emergency.

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