Cuba Tourist Visa. Everyone wishing to enter Cuba as a Tourist is required to apply for a Tourist Visa-card. A tourist card is valid ONLY for leisure or recreational purposes. It is not valid for other travel purposes. A Tourist Card is valid only for one entry within 180 days after the date of issue.
HD-CVi & HD-TVi Technologies. HDTVI (High Definition Transport Video Interface) is the HD Video transmission Interface. HDTVI technology can be implemented in existing simulation on a transmission line reliable kop HD video signal transmission.
Serial Digital Interface (SDI) Serial Digital Interface (SDI) is a standard for digital video transmission over coaxial cable. The most common data speed is 270 megabits per second (Mbps). However, speeds of up to 540 Mbps are theoretically possible. Standard 75-ohm cable is used.