I had some fun with them the other day. I fly all over in my plane. Got them going then said, hey I have to fly into there tomorrow, I can just pick it up. Radio silence. Done that several times, latest in Gallup. Where I actually do go, store...
Based on some testing and other comments. The Mini 4 Pro activates RID when you put in a Plus battery and take off. The RID also activates when you use the 249 battery that came with the Mini 3. It works in the Mini 4, but is slightly heavier, so...
I use small bits of reflective tape as well. I cut out circles with a hole punch, top, bottom sides and a couple of the arms. If you go around after or near dark with a bright flashlight, it will show up.
You need to realize that the GPS signal is very weak, not a high powered output at all. Easily masked by your roof, cement, trees lots of snow, thick with precipitation clouds and so on. One other item is if you have not used your drone in a...