ISC301Xuất hiện trong 1 đề thi
All of the following about RFID are true EXCEPT:
Các lựa chọn
AAn RFID tag can hold 20 times the amount of information a bar code can hold, and the tag can be read through cardboard, wood, and plastic at a range of up to 100 feet.
BAn RFID tag includes an antenna and a chip with information about the item.
CAn RFID reader contains a radio transmitter and receiver.
DAn RFID tag remains inactive until radio frequency energy from the tag's radio transmitter hits its antenna, giving the chip enough power to emit a 96-bit string of information.