Why the need for usb extenders

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2019-03-18 03:00:17

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Sometimes before the owner of the computer the problem arises to connect the device by USB interface located at a relatively great distance from the connector port. One of the most striking example is the organization of wireless 3G modems. usb extendersIf you do not use usb extenders and/or an external antenna may cause undesired operation. Let us consider this point in more detail.

Usb Extenders and modems for wireless communications

A special Feature of these devices is that the signal strength of the network provider to a great extent depends on the location of the modem. So, being plugged directly into a loose connector is set low (especially in stationary personal computers), where the signal strength is low. To resolve this problem, you can install an external antenna and connect it to the modem. In relation to the quality of the signal is the best solution. However, if you want mobility, then this method is not too efficient, as the frequent connection adapter "modem cable" internal connector is damaged. In this case you can buy usb extenders. 3G modem, hanging from the ceiling and connected by special wire with the computer, more stable "reception". Of course, the area where the use of usb extenders, is not so limited. Owners of personal computers is very easy with such a wire to bring to the table connector for connecting flash drives, cameras etc.

usb cable extenderDesign and features

On the shelves of computer stores you can always find a similar extension. Externally it is a simple wire, one end which has a USB type connector and “mom” (to connect devices), and on the other a plug for inclusion in the free port of the computer. One of the hallmarks of models – length. In the budget options it rarely exceeds 2 m. If the choice is to pay attention to the fact that buy “stock” should not be. Because, based on the known laws of physics, with increasing length of the conductor and maintaining the same voltage will increase the resistance to the passage of electric current, which leads to lower transmitted power. In other words, if usb 20 extension cable length 50 cm works perfectly with the modem, turning on the 2-meter models the device might no longer recognized by the system, not receiving the required minimum power. This feature is common to all versions of the tyre. The next thing, directly affecting the price – cable. USB extension cable, which are high-quality conductors, is more expensive than low mass products. usb 20 extenderOutwardly to define it, alas, is impossible, so indirect signs can be considered as the manufacturer (not China) and cost. Sometimes when choosing the extension, it appears that there are models with built-in wire cylinder. This filter reducing noise pickup. In practice the efficiency is almost not affected.

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Specialized solutions

In the market you can find extension cords to the special design, when the wire has three ends: one socket and two plugs. Such models are incorporated directly into the two USB ports, which reduces the voltage drop in the conductors. Such extension cords are used to connect external optical drives, 3G modems and other devices, demanding to nutrition. Besides them, you can see the so-called active extensions which are mounted signal amplifying circuit-a repeater. Though miracles should not wait, such decisions better than the usual 20-30% (depending on the connected devices).


Article in other languages:

AR: https://tostpost.com/ar/computers/16119-usb.html

BE: https://tostpost.com/be/kamputary/31356-dlya-chago-patrebnyya-pada-zhal-n-k-usb.html

DE: https://tostpost.com/de/computer/30992-wof-r-braucht-man-usb-verl-ngerungskabel.html

ES: https://tostpost.com/es/equipos/30911-para-qu-sirven-los-alargadores-usb.html

HI: https://tostpost.com/hi/computers/17719-extenders.html

JA: https://tostpost.com/ja/computers/15780-usb.html

KK: https://tostpost.com/kk/komp-yuterler/31676-ne-sh-n-zart-ysh-usb.html

PL: https://tostpost.com/pl/komputery/32642-do-czego-potrzebne-s-przed-u-acze-usb.html

PT: https://tostpost.com/pt/computadores/32440-para-que-servem-os-cabos-de-extens-o-usb.html

TR: https://tostpost.com/tr/bilgisayarlar/28062-ne-i-in-laz-m-usb-uzatma-kablosu.html

UK: https://tostpost.com/uk/komp-yuteri/31878-dlya-chogo-potr-bn-podovzhuvach-usb.html

ZH: https://tostpost.com/zh/computers/13995-usb.html






Alin Trodden - author of the article, editor
"Hi, I'm Alin Trodden. I write texts, read books, and look for impressions. And I'm not bad at telling you about it. I am always happy to participate in interesting projects."

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