3DR Solo Drone GPS Circuit Board Unit, Revision B, Black Board, New

I didnt see any difference from the factory model

I cannot compare Rev. B with Rev.A only that my unit came with this circuit board. What I can compare is finding the required amount of GPS links only takes my drone a little over a minute compared to the issues posted by others. I have flown quite a distance out of sight and have never lost GPS connection.When I first saw the "GPS fix" on YouTube I thought I would go ahead and add a spacer, just because it seems to have helped others. On opening up my unit I noted the extra metal box in the center of the board which has not been present on any of the units shown on YouTube but is mounted on this Rev. B board. I should also mention that the copper protective piece in the unit can be spaced further from the GPS unit without opening the battery tray or front housing. The required space can be reached through the large slot in the front of the housing. You could use a thin piece of wood or plastic to push through the opening and press the copper protector away from the GPS unit. Please ask a question if I have not been clear but this board works great on my drone.

Revision B is far better than the A model. b is the black board A is the older green board. B will lock on more satellites faster. The more satellites you lock in to the better your GPS will hold a position and now there is a Revision C Pink board that just blows the black board away. My black board will grab 19-24 satellites and the pink like 23-29 and a Hdrop of .04. Very stable flight in all parameters