1. Where in the world is my PSP? RFID Triangulation Stuart Lenz North Star High School

2. Example: You just bought a PSP on Ebay. It is being shipped using USPS. You are given a code so that you can go online and check the status of your shipment. How does USPS track your PSP?

3. Definition of RFID RFID: Radio Frequency Identification is based on wireless communication over the air that reads or writes information from a Tag. Components: 1)Tag 2)Reader 3)Air Interface

4. How RFID works

5. RFID in a Nutshell “How did I get in the crazy nutshell?” - Austin Powers

6. Uses of RFID Credit Cards Bar Codes Cattle Tracking Toll Booths Military Automobiles Keyless Entry

7. How does USPS track your PSP? Triangulation: A process by which the location of a transmitter can be determined by measuring either the radial distance, or the direction, of the received signal from two or three different points. GPS Cell Phones