Retekess radio roundup: a range of receivers reviewed rigorously

I wanted to review one radio from Retekess, and they sent me four. Let's take a look at them and evaluate their reception and sound quality. If you want to see what's inside the TR604 radio, Fran Blanche did a teardown of it:    • Just How Terrible Is A NEW Portable Radio???   Retekess TR604 United States https://www.amazon.com/dp/B07QQWBHZV?... Canada https://www.amazon.ca/dp/B07QQWBHZV?r... Retekess V115 United States https://www.amazon.com/dp/B01ARN28SQ?... Canada https://www.amazon.ca/dp/B071NMCVM5?r... Retekess PR11 United States https://www.amazon.com/dp/B01EACB5J8?... Canada https://www.amazon.ca/dp/B01EACB5J8?r... Retekess PR12 United States https://www.amazon.com/dp/B07C9Z3WRN?... Canada https://www.amazon.ca/dp/B07C86172R?r...