robust cheap gps needed

I have a leica mini mojo which did!!! all that was needed spraying ,spreading fert,it has developed a habit of switching off which I fancy is connected with the usb connector into the screen when you wobble the connector the red light comes and goes perhaps its the result of falling off the window a few times and as the connector is at the bottom it gets the first hit.
I have seen a new mini mojo and the electrical connection is rigidly mounted( perhaps they realised they had a problem that...

robust cheap gps needed