Abstract: We present a 2.4GHz ultra-low power energy-harvested narrowband transmitter (TX) for wireless sensing and biomedical devices. We used a 434 MHz RF energy for resonant cavity based wireless ...

Abstract: The present study considers a virtual multiuser multiple-input multiple-output system with PSK modulation realized via the reconfigurable intelligent surface-based passive transmitter setup.

CAR magazine tests the PD Racing TR10 4S 1/10th RC car. It'll do over 50mph and it gets there very quickly, usually on two ...

The long-wire dipole antenna is effective for low-frequency systems. Adding LC traps makes a single-band dipole antenna into ...

Many ultra low power applications have very low work duty cycles. Consider a remote temperature or pressure sensor. The application may only require that the sensor sample data once every few seconds, ...

iFi says the UP Travel’s internal battery is good for up to 10 hours of playback with firmware updates installable via iFi’s Nexis app. This natty little device also features a “built-in mic with cVc ...

In simple terms, amplitude is how strong or intense a wave is. It's plotted on a graph with time on the x-axis and amplitude ...

Marshall considers the Heston 120 an all-in-one speaker that’s designed to work equally well for movies and music. However, ...

The best grill thermometer will help you cook meat to perfection. Check out how our top picks performed during hands-on ...

It’s no surprise that the Tour One M3 are JBL’s best-sounding and best noise-cancelling headphones to date. Dynamic ...

Lightweight and tidily packaged, the Hollyland Lark M2S Combo is a discreet wireless mic kit that offers excellent value for ...

The best tech products announced this week include JBL's audiophile-grade loudspeakers and Marshall's first-ever Dolby Atmos ...