This communication presents a Fabry-Pérot resonator antenna (FPRA) with the dual-band dual-orthogonal circular polarization (CP). The whole FPRA consists of a linearly polarized (LP) microstrip patch ...

Two novel microstrip patch antennas with multiple parasitic patches and shorting vias have been presented for the bandwidth enhancement. Based on the conventional triangular patch antenna, two more ...

Review of ThinkNode M1 and M2 LoRa nodes, and getting started guide for Meshtastic off-grid messaging and GPS sharing ...