RFID 101.com -- Info Guide to Radio Frequency Identification (RFID) Technology
RFID 101.com -- Info Guide to Radio Frequency Identification (RFID) Technology |
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RFID System Frequency Ranges
There are 4 major frequency ranges that RFID systems operate at. As a rule of thumb, low-frequency systems are distinguished by short reading ranges, slow read speeds, and lower cost. Higher-frequency RFID systems are used where longer read ranges and fast reading speeds are required, such as for vehicle tracking and automated toll collection. Microwave requires the use of active RFID tags.
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