> A proposed radio frequency (rf) specification that many portable devices will use for short range wireless communications is called bluetooth. with bluetooth device such as laptop computers handheld computers cellular telephones pagers fax, machines and printers can wirelessly communicate with each other, desktop computers a network, or the internet. to use bluetooth technology, each device must include a transceiver chip and be within a specified range (about 10 meters but can be extended to 100 meters with additional equipment).
there are several types of communication media exit including both physical coaxial cable and wireless cellular radio . some some of media that transmit only one single at a time are called baseband transmiision . other that transmit only one single at a time are called which are called Bluetooth.
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