As the demand for high-speed wireless communication grows, millimeter-wave frequencies, such as the 27 GHz band, have become increasingly important for 5G and beyond. However, operating at these ...

The ESP32 series of microcontrollers have been with us for quite a few years now, providing a powerful processor and wireless ...

Phased array antennas are widely used in various applications, including telecommunications, radar, and satellite communications, due to their ability to steer beams electronically. However ...

Abstract: A frequency-tunable tri-band metamaterial-inspired antenna is proposed. The antenna consists of patches, interdigital capacitors, and meander lines inductors, and loaded with a split ring ...

The phased implementation of the revised curriculum for senior high school is set to begin in School Year 2025-2026, Education Secretary Sonny Angara said Wednesday. Angara reiterated that under the ...

In the opinion of many satellite operators, the frequency bands 3 400–4 200 MHz and 4 500–4 800 MHz (known as C-band) are not suitable for this purpose. The frequency ranges 3 400–4 200 MHz and 4 ...