Therefore, the majority of these types of devices are either water resistant or waterproof.
In recent years, the International Electrotechnical Commission (IEC) has created a new standards suite for "Digital interfaces for navigational equipment within a ship".
Additionally, different suppliers of marine electronics have their own communications protocol.
The top manufacturer is Garmin's Marine division with a turnover of US$917 Million in 2023[8] followed by Brunswick-owned Navico Group (Simrad, Lowrance, B&G and several other brands), with a turnover of US$915 Million (although this includes sales of equipment which is not marine electronics, such as batteries, cables and pumps).
Other popular brands are Japan-based Furuno, Japan Radio Company, Wärtsilä and Raymarine.