A periodic signal that persists indefinitely, without changing its amplitude, frequency, or Phase–a continuous wave (CW) signal–carries no information other than the fact that it is present. In order ...

From goats in the field to gowns on the track, radio tags are deployed as silent co-workers that boost speed, accuracy & accountability ...

Sunnyvale startup Wirama announced that they've finished the most precise RFID reader available yet, with the ability to locate passive RFID tags to within 6 inches (through the EPC Class 1 Gen 2 ...

Security researcher [Fran Brown] sent us this tip about his Tastic RFID Thief, which can stealthily snag the information off an RFID card at long range. If you’ve worked with passive RFID before, you ...

A UK company has developed a radio frequency identification (RFID) reader that supports Near Field Communication (NFC), a new standard that will allow electronic devices to interact when touched ...

SEATTLE--(BUSINESS WIRE)--Impinj, Inc. (NASDAQ: PI), a leading RAIN RFID provider and Internet of Things pioneer, today released the Impinj E910 RAIN RFID reader chip for next-generation ...

Let's summarize the message of the last couple of sections. To transmit to a tag, a reader uses amplitude modulation to send a series of digital symbols. The symbols are coded to ensure that ...