Sometimes the computer owner faces the task of connecting the device via USB, located at a relatively large distance from the port connector. One of the most striking examples is the organization of 3G wireless communication using a modem.
If you do not use usb extension cords and / or an external antenna, malfunctions can occur. Let's look at this point in more detail.USB Extenders and Wireless Modems
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Outwardly, this is unfortunately impossible to determine; therefore, the manufacturer (not China) and cost can be considered indirect signs. Sometimes when choosing an extension cord, it turns out that there are models with a cylinder mounted in the wire. This is a filter that reduces spurious interference. In practice, performance is practically not affected.Specialized Solutions
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