Comparatively speaking, Bluetooth system is more representative, which is developed according to the concept of wpan. In fact, the concepts of Bluetooth and wpan are complementary, and Bluetooth is the embryonic form of wpan. Since Ericsson, ibm, inter, Nokia and Toshiba were first launched as the original sponsoring organizations, nearly 2,000 internationally influential enterprises have been attracted to participate for more than 1 year. At the end of 1999, three American companies, Lucent, Microsoft and Motorola, like the above five companies, were the initiating organizations of Bluetooth, which made them stand out 3com the competition with swap, ieee802. 1 1 and other similar application standards, and their development prospects became clearer. In order to promote the development of Bluetooth, the standard of Bluetooth is non-patented. Bluetooth has become a new hotspot in the field of communication, and it is expected to become an international standard for small-scale wireless multimedia communication in the near future. In a word, wireless communication technology has a bright future.