RFID reader refers to radio frequency identification reader. This is a device which is used to obtain the information from the RFID tag. It can be used for tracking individual objects. Radio waves are useful for transferring data from RFID tag to the RFID reader. The tag includes an ID method which involves little radio frequency identification gadgets for the purpose of tracking and identification.
This tagging system involves a device for writing or reading, a tag, and a system process to collect the data, process and transmit them. You may search for the RFID chip timing Providence Rhode Island on the Internet for obtaining more important information on this.