Wireless can be divided into Fixed wireless- the operation of the wireless in office, home and in particular, equipment connected to the internet via specialized modems. Mobile wireless the use of wireless devices or system board motorized, moving vehicles examples include the automotive cellphone and personal communication system.
Portable wireless-the battery powered devices or systems outside the office, home or vehicle example include handheld cell phones and pcs unit. IR wireless the use of devices that convert data via infrared radiation which is infused in certain limited range communication and control systems.