Hey knowledgeable people I'm planning a longish coastal passage on my 9m yacht and looking to get the boat up to cat 2 and starting to think about Ais, what are your suggestions on a simple ais set up? Do I need a reciever or just the transmitter? my current plotter is an old navman 550 so I'm thinking of going for a dedicated tablet with open cpn and will also have starlink so battery usage is an important consideration. What say you?