1. RFID tag
2. The data stored in the RFID tag can be accessed by a special reader and to read the data no need of RFID tag and reader in a line of site instead both are within a range.
This tag is used in Vehicles as a prepaid tag and makes the payments easier in Toll booths. Similarly, it is useful to take the Census of wild animals also.
In business the tag(contains details about Product code, Price, Batch no., Manufacturing Date, Expiry date, etc.) is stick on the cartons and by using RFID reader process it speedily.
