The EM180 has a documented maximum radar cross section of 8M2 and is suitable for vessels up to 7-8 metres. We have utilised the largest possible patented symmetrical stacked array with the smallest possible robust Polyethylene case with minimum windage and weight. The EM180 is suitable for deck, mast mount fixing, or halyard suspension and is available in white, orange or yellow. Used extensively on marine buoys and for tsunami warning buoys.