What is USB dongle?
Many devices smaller than the rubber package can slip into the port of Universal Serial Bus (USB) computer. These devices are called USB Dongles and add functions to a computer or machine that has not been built by the manufacturer. This may include the ability to connect to wireless networks, transfer data from computer to dongle and increase system security.
Basic function and name
In general, the USB key is small enough to fit into your pocket and someone can connect it to the USB port on your computer. Sometimes they include a wire that can be connected to another device or computer, although many act as a separate hardware. The name "Dongle" comes from uncertain origin, but probably originated in terms of security hardware and has expanded to other devices.
memory and storage
storage or memory dongle USB, also called memory bar, provides a suitable means to pass files between computers or devices. Memory wand Contvrates the rewritten Memory Memorya state that does not require to be tricked by its content. As the capacities grew and the price dropped, these portable plug-and-play storage units have replaced floppy disks and even written disks for changing files and data archiving.
Wi-Fi® connection via Dongle
Another type of USB Dongle can add Wi-Fi® functionality to your computer and provide wireless Internet connection. Most desktops can accommodate internal Wi-Fi® cards, but some laptops and laptops rely on external wireless tools. Vongle USB Wi-Fi® comes in many models with the most basic model operating with the operating system software (OS) to find near wireless networks and access to them.
Finder or Wi-Fi® scanner can also come in the form of a USB dongle, allowing you to scan free public networks while Mobile is. This device often contains diodes emitting light(LED), které světlo, aniž by muselo zavést notebook, což naznačuje, že byla detekována bezdrátová síť. The LED range can indicate the power of the signal, have the user looked at Dongle and immediately determine whether the availability increases or decreases. Různé barevné LED mohou také specifikovat šifrované nebo nešifrované sítě.
Zařízení a dongle Bluetooth®
USB Bluetooth® Dongles Nechte zařízení připojit k síti osobní oblasti (PAN). Bluetooth® has become increasingly useful for transferring data between mobile phones and computers, synchronizing personal digital assistants (PDA) with laptops, and hand-free mobile phone calls. Bluetooth® users can often activate and connect to a pan with virtually no network creation experience and without using other cables.
Uživatelé notebooku například možná budou chtít vytvořit jejich tiskárnu a notebook Bluetooth® s podporou. USB Bluetooth® dongle může bezdrátově propojitDva stroje za několik sekund, což umožňuje uživateIf you send printing jobs to the printer without having to connect the device with a cable. Some newer printers include built -in wireless functionality, but Dongle USB may be needed to connect a computer or other device.
Security Devices
There are also proprietary USB Dongle, which act as a safety token to verify the software to protect it from using unauthorized persons. These types of devices can verify the login information or deliver the password to the virtual private network (VPN) for terrain staff, for example operating on a secure system. Without security dongle and correct USB login data, one cannot log in to the network or access software under its protection. A device is even used to access computer terminals, closing the system if the user has not attached the appropriate USB Dongle.