One of short range which with the portable information equipment and the like is used in several m equipment indirect continuation radio communication technology. PDA . without using the cable, you connect and, you can exchange sound and the data.
As for Bluetooth, without license being thing to use freely, making use of the radio wave of the 2.45GHz band which finishes, it is possible to do communication at the speed of 1Mbps, (withnext term version the schedule which becomes 2Mbps). If as for Bluetooth distance betweenthe equipmentis within 10m different from IrDA which utilizes the infrared ray, there being an obstacle, to utilize, it is possible. In addition, as for Bluetooth in order to utilize the small-sized tranceiverof 0.5 square inches,electric power consumption is small in comparison with IrDA, also production cost is low held down. There is Home RF in other things, as the radio communication technology which tiesbetweenthe information equipment, but as for Bluetooth utilization at the office,as forHomeRF utilization with home is supposed respectively.
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