We already use dogs and monkeys as service animals to help people with disabilities, so why not use robots as well? Researchers at Georgia Tech have combined RFID tags, long-distance scanners, and a ...
Radio frequency identification is a relatively short-range automatic-identification technology. Passive low-frequency (LF) and high-frequency (HF) tags can be read from a distance of up to 3 feet (0.9 ...
Japanese technology firm Smart Co. has built and patented a long-range RFID tag that it says offers a transmission distance of up to 30 meters (98 feet) on construction sites and at other locations.