Review on 📻 HiLetgo 0.1-2000MHz RF WideBand Amplifier: High Gain Low Noise LNA for Enhanced Signal Performance by Eric Sharp

Works perfectly. You get what you pay for. This isn't a fantasy. Some design compromises were made, likely to reduce costs. If it's so desperate to be operated at a certain voltage (below which you get very little gain and above that too much noise. That voltage seems to be around 9.4V on the board I got), why didn't they? Just add a controller? I hope their quality control process can include tuning each part for the optimal supply voltage. It would bring more stars but I don't understand the seller's customer care concept. I received several emails from them, each taking up a page saying I should contact the seller for technical information. I've looked through the questions and there are a few completely nonsensical ones that I would have to look through to see if any of them have information already posted. (For example: Q: What is the noise figure? A: No.) It was very easy for the seller to send me a follow up email with all the links to all the information available on this product. I will probably avoid this seller in the future unless I have no other choice.