Advantages of RFID

Following are the advantages of RFID:
?RFID tag and reader should not be in LOS to make the system work. 
?Unlike barcodes, tags can store more information. Moreover it follows instructions/commands of reader. 
?It provides location to the reader along with its ID. 
?RFID tags are used for tracking luggage as well as for monitoring health history of patients in the hospitals. 
?RFID technology is versatile in nature and hence smaller and larger RFID devices are available as per application. 
?Tags can be read only as well as read/write unlike barcodes. 
?The technology is used for security and attendance purpose in schools, colleges as well as office establishments. The time-in and time-out is recorded it the database of the server. 

Disadvantages of RFID

Following are the disadvantages of RFID:
?Active RFID is costly due to use of batteries. 
?Privacy is a concern with the use of RFID on products as it can be easily tapped or intercepted. 
?RFID devices need to be programmed which requires enough amount of time. 
?Use of RFID technology at inventory control and for other such applications lead to loss of jobs for unskilled labourer. 
?The external electromagnetic interference can limit the RFID remote reading. 
?The coverage range of RFID is limited which is about 3 meters. 

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