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 integration with existing navigation systems via its NMEA0183 or USB interfaces,McMurdo’s SmartFind M15S has the added innovation of a built in VHF Splitter, providing shared antenna capability with a user’s VHF Radio, making the M15S more cost effective and simpler to install (as no additional aerial is needed). The M15S can be externally or USB powered,Features: Compact, low cost black box solution, Dual channel AIS receiver, Displays all AIS message types, USB “Plug & Play” connectivity, 12/24V DC or USB powered (M15S model only), Externally or USB powered, NMEA0183 interface, Includes AIS Viewer display and configuration software, Optional antenna splitter and WiFi.