The need for what’s called antenna tuning—either by adjusting the antenna itself or via a matching circuit between power-amplifier output and the antenna—is almost as old as wireless itself. Even in ...

Today's mobile phones need to not only support cellular frequencies, but also non-cellular features such as those used for mobile TV, Bluetooth, WLAN, and location-based services. As the real estate ...

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 ...

Cantennas outperform every consumer-grade Wi-Fi antenna I’ve had the bad luck of purchasing. Cantenna is a mashup of ‘can’ and ‘antenna’ creating the nickname for a directional waveguide antenna built ...

Fig 1. Automatic antenna tuning with a variable impedance matching network can overcome many of the problems associated with detuning and wide frequency ranges. Feedback from the antenna via ...

SAN DIEGO, Aug. 10, 2021 (GLOBE NEWSWIRE) -- GBT Technologies Inc. ( OTC PINK: GTCH ) ("GBT” or the “Company”), is now evaluating and testing self-tuned antenna technology in order to enhance its ...