Most people, however, just see them as cheap. So it is no surprise that hams like [jmharvey] will build an antenna analyzer from a DDS module and an Arduino instead of dropping a few hundred ...

If you want to know more about DDS, our own [Bil Herd] has you covered (see the video, below). We’ve also seen similar antenna analyzers that are about the same thing.

Built-in Cable and Antenna Analyzer for easy infrastructure cable and antenna testing. Full featured Spectrum Analyzer to perform site surveys and locate interference. VIAVI Auto-Test applications for ...

Smart Antenna, developed by MediaTek, is an advanced antenna technology that supports body proximity sensing, AI gesture detection, and 24% faster low-band uplink throughput with power and antenna ...