RFID Accountability Systems

Radio-Frequency Identification Accountability Systems ...

... "Radio-Frequency Identification Accountability Systems: Radio-frequency identification (RFID) technology, already used for many security entry control systems, uses radio-transmitting 'interrogators' to send out radio waves to preprogrammed receiver computer chips which 'respond' to the radio query with another radio signal. Interrogators and receivers only recognize specific frequencies. If the frequency is not correct, the receiver or interrogator will not recognize it. The signals transmitted by receivers can be programmed to include information such as name, rank, training level, etc." ...