The purpose of this article is to explain, in detail, the process involved in building and tuning a high-frequency (HF) RFID antenna, which would operate at 13.56 MHz. Some concepts will be explained ...

I know many readers of RF Report and my RF Technology column are interested in do-it-yourself antennas based on the enthusiastic response to my articles on the Gray-Hoverman antenna. An article on ...

Air Traffic Controllers use Automatic Dependent Surveillance-Broadcast (ADS-B) as an alternative to secondary radar to track aircraft. The ADS-B is transmitted by the aircraft and contains information ...

Finnish packaging goods firm Walki (pronounced val-i-kee) has commercially released a service that manufactures passive ultrahigh-frequency (UHF) RFID tag antennas, by means of its patented Walki-4E ...