How a Cordless Computer Mouse Works?

The computer mice are necessary for interacting with computer. Lots of computer mice are connected to computers via a cord. Cordless computer mouse can keep your desktop clean and have more control while using your media center compueter.

Cordless computer mouse became more and more popular.

Technology of Cordless Computer mouse

Cordless computer mouse usually works by radio frequencies commonly called as RF. RF cordless computer mouse needs two components to work, a radio transmitter and a radio receiver.

RF Transmitter

A radio frequency (RF) transmitter is usually built in the mouse. The movements and click are recorded by the mouse and sends these information via radio signals to the receiver.

RF Receiver

The input of mouse is connected by the radio frequency (RF) receiver. These signals was received and decoded and then sent to computer. In the past, the RF receivers are large. As the improvement of technology, the receivers are very small in size.

RF Frequencies 802.11b and 802.11g

Cordless computer mice use Radio frequency to transfer date from mice to computers. The most common RF is the 802.11b or 802.11g, which works at 2.4GHz. 2.4GHz is stable and no interference at the office or home. Its available range is about 100 to 150 feet which is long enough for mouse and keyboard.

Bluetooth RF

Bluetooth is one kind of RF technology, which is used in great numbers for cordless computer mice, keyboards, printers, PDA’s, and headsets. Bluetoohs is similar to 802.11b or 802.11g. It also works at 2.4 GHz. Bluetooth choose frequencies that have no or less interference, by using softwares. Its decent range is about 33 feet.

Advantages of cordless computer mice

Due to nice reliability and stability, RF cordless computer mice are great. Other forms of communication, for instance, Infrared technology need to be “keep in a line” to work right. It made them useless for computer mice.

RF cordless computer mouse requires low power, and is also inexpensive. You can buy a cordless computer mouse less than USD50, and even as low as USD25. They’re light, so you can move it easily.

The most important feature, you’re not tied to your computer by a wire!



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