A worldwide digital terrestrial TV (DTT) receiver for ocean going ships. Designed to tune-in to all approved DTT Broadcast Standards, such as, ATSC, DVB-T/T2, ISDB-T, ISDB-Tb, and DTMB. This enables viewing of terrestrial digital broadcasts, on ships in port or navigating along a coastline, simply by connecting it for ships to an existing TV and antenna. <Digital Terrestrial TV Broadcasting Standards by region> DVB-T/T2: Europe, Australia, Taiwan, Singapore, UAE etc, ATSC: USA, Korea etc. ISDB-T: Japan ISDB-Tb: South America etc. DTMB: China, Hong Kong etc. *In order to receive terrestrial digital broadcasts, it is necessary to have the corresponding TV antenna. *Only available in countries with DTT broadcast service, and even in countries where DTT broadcasting has been started, it may be impossible to view digital TV if the current location (anchor point) is distant from the broadcasting station, or if it is impossible to obtain signal strength sufficient for TV viewing at unfavorable locations such as those where noise has an effect on TV signals, so provision of service is subject to the signal conditions.