1. Wi-FiChan Hok Fung12210765 2. Introduction Applications Survey result Conclusionof Wi-Fi 3. 11/1/2012RFID RFID = Radio Frequency Identification Electronic labeling and wireless identification ofobjects using radio frequency Tag carries with its information a serial number Model number Color or any other imaginable data When these tags pass through a field generated by acompatible reader, they transmit this informationback to the reader, thereby identifying the object 4. 11/1/2012Types of RFID Tags Active Tags Semi-passive TagsPassive Tags Use a battery Contain built-in Derive their power communicate over batteries to powerfrom the fielddistances of several the chips circuitry, generated by themeters resist interference reader and circumvent a without having an lack of power fromactive transmitter to the reader signal transfer the due to long distance. information stored They are different from active tags in that they only transmit data at the time a response is received 5. 11/1/2012FrequencyAppx. Read Data SpeedCostApplication RangeofTagsLow Frequency