RAKwireless Technology Limited·Oct 26The Antenna Upgrade That Added Zero KilometresA 5 dBi and a 9 dBi antenna reached exactly the same distance in a controlled field test. Here is what the number on the box is actually…
InRadio HackersbyArmando Rodrigues·Sep 12From Antenna Diversity to Massive MIMOThe Four Levels of Multi-Antenna Communications
Elise Colin·Aug 25Why SAR Antennas Look So DifferentFrom radiation to synthetic aperturesA response icon1A response icon1
Elise Colin·Aug 3How a Radar Builds a Giant Antenna While MovingFrom Real Aperture Radar to Synthetic Aperture RadarA response icon2A response icon2
Suntti Kongviriyakit·Jun 29Understanding NSMA Antenna Pattern File Format for Microwave Path CalculationsA practical guide to .DAT file structures, key parameters, and data examples for transmission engineers.
Elizabeth·May 21Reconfigurable Filtennas: From a simple idea to a patentThe question that started everything: “What do you want to work on?”A response icon1A response icon1
InRadio HackersbyInvestigator515·Jan 17Radio Fundamentals: Antenna PolarisationIn weak signal work, antenna polarisation plays a critical role.A response icon2A response icon2
MaxWellChin·Dec 29, 2025The Final Assembly & Full-Wave SimulationFrom isolated resonators to a complete filter response. Mastering the “Loading Effect” and S-parameter tuning.
MaxWellChin·Dec 18, 2025CST Parameter Extraction: From Theoretical Values to Physical DimensionsA step-by-step guide to mastering the Eigenmode Solver for and extraction.
MaxWellChin·Dec 18, 2025Microwave Filter Design: Mastering Low-Pass Prototypes and Q-Factors in 10 MinutesStop the “Trial-and-Error” simulation trap. Start with the First Principles of RF engineering.