RFID tags are used to send data from one area to another. This allows large volumes of information to be sent rapidly due to the radio waves that are in place for the transmission. In order for the RFID tags to be processed there has to be an antennae in place.
All RFID tags fall into one of three categories passive, semi passive, or active. Passive RFID tags are often used because they dont require a source of power. Instead they have to be ran through a reader such as a scanner at the checkout at the retail stores. Both passive and semi passive RFID tags require chips or batteries to provide a source of power.
These different types of tags may be attached permanently or in a way that allows them to be removed. There are plenty of instances where the user of the RFID tags doesnt want a person to be able to remove them so they are embedded. These tags have to be in the right place in order for the information to be transferred correctly.
Various types of RFID tags allow things to be taken care of much faster. Subways stations use them in order to allow people that use them every day to go through. They are used on semi trucks in order to allow them to...