kers. More sophisticated eliminated the advantage HomeRF had for home encryption techniques can be incorporated, although they networks-low cost. Incompatibility with Wi-Fi was a may be accompanied by reduction of convenience in liability, since people who used their Wi-Fi equipped setting up connections and possibly in performance. laptop computer in the office also needed to use it at Various systems of implementation are used in wire- home, and a changeover to another terminal accessory less networks. They may be based on an industrial stan- after work hours was not an option. If there were some dard, which allows compatibility between devices by technical advantages to HomeRF, support of voice and different manufacturers, or a proprietary design. The connections between peripherals for example, they are latter would primarily be used in a special purpose net- becoming insignificant with the development of voice work, such as in an industrial application where all de- interfaces for Wi-Fi and the introduction of Bluetooth. vices are made by the same manufacturer and where performance may be improved without the limitations Wi-Fi and compromises inherent in a widespread standard. Wi-Fi is the generic name for all devices based on the The HomeRF Working Group IEEE specification 802.11 and its derivatives. It is pro- moted by the Wi-Fi Alliance that also certifies devices to The HomeRF Working Group was established by pro- ensure their interoperability. The original specification is minent computer and wireless companies that joined being continually updated by IEEE working groups to together to establish an open industry specification for incorporate technical improvements and feature en- wireless digital communication between personal com- hancements that are agreed upon by a wide representa- puters and consumer electronic devices anywhere in tion of potential users and industry representatives. and around the home. It developed the SWAP specifi- 802.11 is the predominant industrial standard for WLAN cation-Sha