An AIS Receiver is an electronic device used to receive data from the Automatic Identification System (AIS)  an automatic tracking system used on ships and by coastal stations to identify and monitor vessel movements. An AIS Receiver only receives (listens to) AIS signals transmitted by other ships and does not transmit any signal itself.

Radio Communication System is a communication system that uses radio waves as a medium to transmit and receive information between two or more points without using cables (wireless). This system can be used for voice, data, or video communication and typically consists of a transmitter, receiver, and antenna.

CCTV (Closed-Circuit Television) is a television system that uses a closed signal (not publicly broadcast) to transmit footage from surveillance cameras to one or more monitors. It is used for monitoring and security purposes in various environments such as buildings, homes, offices, highways, factories, and public facilities.

IT Solution (Information Technology Solution) refers to a set of services, products, or technology-based systems designed to help individuals, organizations, or businesses solve problems, improve operational efficiency, or support digital transformation. IT Solutions cover various areas such as hardware, software, networking, cloud services, cybersecurity, as well as consulting and system integration.