I recently came across a wireless keyboard with a friend of mine and I would like to buy one, what is the maximum operating speed? Are there any rechargeable battery powered types that I do not have to buy a battery to operate? What would be the price estimate of such? Which one is the best ?
The wireless keyboards are those that allows you  to communicate with the device with the help of radio frequency(RF), Infrared(IR) or Bluetooth. These type of keyboards communicates signals which have the range from 27 MHz to 2.4 GHz. Now-a-days most of the wireless keyboards are operating at 2.4 GHz speed. There rechargeable batteries available for wireless keyboards. There are different types of wireless keyboards like standard size wireless keyboard, portable keyboard with touchpad, roll-up wireless keyboard, mini wireless keyboard. There many companies available in the market. You may choose according to your requirement in your budget.
