communication between different types of electronic devices without the use of cumbersome cable connections in fact bluetooth was taken from the nickname of viking king harald ii u2014 who unified warring viking tribes during the tenth century u2014 and whose discolored teeth were a result of his partiality for blueberries and blackberries bluetooth uses radio chips in electronic devices to enable connectivity over the 2 4 ghz radio frequency rf band the bluetooth specification a de facto standard containing information required to ensure that devices supporting bluetooth can communicate with each other worldwide defines two transmission ranges for personal area networking the range is between 10 m and 100 m without a line of sight requirement the radio link is capable of voice and data transmission up to a maximum capacity of 720 kbps per channel in step 382 the wireless communication device dials and establishes a cellular network communication with at least a third communication device based on user parameters and user rules in a configuration step the user defines what phone numbers to dial or sms or what email addresses to email the user also defines the rules and conditions under which those numbers emails are dialed emailed and what messages are sent when those conditions occur those phone numbers are emailed and those sms emails are sent a cellular.