radio mouse
Wireless transmission between computer mouse or optical computer mouse and personal computer is divided into infrared transmission, radio connection and Bluetooth network. Accordingly, the computer mice are called infrared mouse, wireless mouse or Bluetooth mouse.
Wireless mice use different transmission frequencies. These can be in the CB band at 27.045 MHz, but also in other ISM bands at 6.765 MHz, 434.79 MHz, 868.0 MHz or 2.4 GHz. The technical specifications in terms of channel width and the associated data rate depend on the frequency range. For example, signals in the CB band are transmitted at 27 MHz with a bandwidth of 100 kHz. The transmission rate is about 6 kbit/s. Their range is about 3 m to 5 m. To eliminate possible interference between several radio mice, you can choose from several frequencies. These are 27.045 MHz, 27.145 MHz and possibly other frequencies at 100 kHz intervals.
The radio transmission takes place between computer mouse with the built-in radio transmitter and the USB radio receiver, which is plugged directly into the USB port.
To ensure the longest possible life of the mouse batteries or rechargeable batteries, there are power saving modes. In this mode, the sampling rate is reduced from 1,500 samples per second to two samples per second. When the computer mouse is moved or a button is triggered, the wireless mouse switches from this mode back to normal operation. As with the normal computer mouse, ergonomic aspects also play an important role with the wireless mouse.