McMurdo SmartFind M15S AIS Receiver/Splitter [21-300-002A]SmartFind M15S AIS Class B Receiver Splitter McMurdo's SmartFind M15S is a low cost receiver that puts AIS technology within the reach of even those on a limited budget. It receives all Class A, Class B, AIS SART, AIS MOB and AIS Base Station transmissions, plotting their positions directly on your chartplotter or PC Mac using the PC AIS Viewer software supplied. At only 128 mm x 88 mm x 36 mm it is compact and easy to install and set up, supporting