Satellite phones provide vital communication capabilities for vessels at sea, especially in remote locations. Service and repair include checking signal reception, troubleshooting connectivity issues, and replacing faulty components such as antennas and batteries. Ensuring that satellite phones are operational allows vessels to stay in contact with shore stations, improving operational efficiency and safety. Routine maintenance ensures that the satellite phone remains functional in emergencies, allowing the crew to make distress calls or receive critical updates when out of range of terrestrial communication systems. Regular repairs prevent costly system failures.