I've no idea what it means in terms of a flat panel antenna, but ETSI class 3 and ETSI class 4 are standards for radiation pattern envelope (RPE) sidelobes and f/b ratio of dish antennas. ETSI class 4 is the best RPE, class 2 or class 3 is more like what a typical lower cost licensed band link antenna (such as an Arkivator antenna and SAF radio) will usually be used with.
The CommScope Sentinel line of antennas for part101-type licensed links are good example of ETSI class 4. There's some good comparisons of class 3 and 4 in their marketing materials and datasheets. https://www.google.com/search?q=etsi+class+4&ie=utf-8&oe=utf-8&client=firefox-b On Wed, Oct 5, 2016 at 3:03 PM, Dan Petermann <[email protected]> wrote: > Does anyone know what ETSI TS3 means in reference to side lobes, cross > polarization, and F/B ratio? > > An example can be found here: http://www.mars-antennas.com/ > sites/mars/UserContent/Files/PdfFromCatalogue/MA-WA36-DP25.pdf
