RFID - Radio Frequency Identification, we understand temporary with the theory of using Radio wave technology to manage some objects that more or lest we got familiar to see during shopping buying goods attached bar code, and emitted “beep” “beep” sound passing the counter. In the addition, there will be someone hanging a IDcard in front of chest that wanting to go in or out just move hover then “beep” the door opens; or some where you could easily see many kind of ATM, VIP, Smart Card, Yellow Card, AZlink... that they’ve already applied RFID technique for application as: inventory, recording, goods security, local security, payment, etc...