which can stealthily snag the information off an RFID card at long range. If you’ve worked with passive RFID before, you know that most readers only work within inches of the card. In [Fran’s ...

The RFID tags that are routinely inserted into shipping boxes are passive RFID tags, which comprise an antenna, a small integrated circuit, and about 2 kilobits (2K) of memory on a chip with no ...

semi-passive, and active. These categories refer to how the RFID tags transmit data, and how close you have to be to pick up their signals. Semi-passive RFID tags are a great option if you need ...

The RAIN Alliance and GS1 have been working on the new Gen2V3 protocol for several years and technology companies are now ...

For other applications, passive RFID tags can be read up to approximately 10 feet away, while active tags with batteries can be several hundred feet from the reader. Linear polarized antennas ...

Until now. Researchers at the University of Washington have developed a passive WiFi implementation that uses only microwatts per device. Working essentially like backscatter RFID tags do ...