Somehow imperceptibly, on soft paws, the time has come for high speeds and low tariffs for Internet connection. Now you will not surprise anyone with access to the global network at speeds of over 100 megabits, especially in large cities. However, all this is realized with the help of wires: optical lines or familiar wire harnesses - the essence is the same. But residents of districts and villages remote from the city, in which there are no cable lines of providers, to connect to the Internet have to be content with the offers of wireless operators. Their rates are much higher, and their speeds are lower. For example, one of the most advanced technologies CDMA Rev.B theoretically allows providing access speeds of up to 14 megabits, which is “yesterday” for citizens. It is clear that in such circumstances, every wireless Internet user would like to know how to increase the speed of a 3G modem.
We’ll talk about this today, and as an example, consider CDMA EVDO modems. Although there are several modifications of CDMA that differ primarily in carrier frequency, the basics specified in this paper are suitable for any user who wants to increase the speed of a 3G modem.
Anticipating questions, we will touch on a few theoretical foundations. Firstly, any provider in the description of tariffs indicates the speed of access to the network, for example, up to 3.1 Mb / s. Users who first connected to the wireless Internet are often surprised why not only 3.1, but even 2 megabits can be achieved extremely rarely. There is no deception: the prefix "Do" fully justifies itself, alas. However, nothing prevents to understand the question and understand how to increase the speed of a 3G modem to the maximum possible, especially since it is within the reach of anyone who sets such a goal.
Secondly, the speed of wireless Internet will never be stable: it "floats" from hour to hour. Each tower station has a fixed speed of its own communication channel, although quite large. Subscribers connected at a certain point in time share this speed among themselves, like an orange. Accordingly, the first answer to the question of how to increase the speed of a 3G modem is to use a CDMA modem in the coverage area of the least busy station at the right time. In other words, the speed will be higher in areas with a low population density of an hour at three nights than in the center of a large city in business time.
Well, let’s leave the theory alone and indicate what and where to “twist” in order to achieve outstanding results. How to increase the speed of a 3G modem? Simply! It is noticed that different models of modems show different speeds, all other things being equal. The implementation of the transceiver unit, the ergonomic placement of the internal components greatly affect the result. For example, some models after 2-3 hours of operation heat up significantly and begin to fail, which is immediately noticeable on the speed graph. Check the working modem - it should be warm, but not hot.
Any USB 3G modem consumes a certain current from the port. Moreover, it is usually 500 mA. For the USB 2.0 standard, this is precisely the limit. Therefore, if a modem and any other device are connected to one USB hub, then the power will not be enough, which will affect the work. Do you have more than half of the USB connectors? In this case, you need to purchase a hub splitter with an external power supply. As an option: it is permissible to connect the modem via the Y-cable. It has three ends: two are plugged into the connectors on the computer, and the third goes to the modem.
If it’s still not clear how to increase the speed of a 3G modem, then we are doing a cardinal way: we install an external antenna. The height to which it can be raised is limited by the cable - its length should not exceed 10 m. Do not save on the cable, buy a quality one! By the way, do not forget to orient the antenna to the base station.
It is also useful to update the modem driver and optimize the connection with a special program.