Port 3821

Port 3821 is used for the ATSC-M/H (Advanced Television Systems Committee-Mobile/Handheld) service in the United States. This is a digital television standard designed for mobile and handheld devices such as smartphones and tablets. It allows for the transmission of video, audio, and data over a terrestrial broadcast network.

Ports those registered with IANA are shown as official ports. The same port number may be unofficialy used by various services or applications. The official usage are listed separately below its usage may change from time to time.

Official

Port
Protocol (TCP/UDP)
Title
Description
Port Type
Port 3821
tcp
pmcp
ATSC PMCP Standard
REGISTERED PORT
Port 3821
udp
pmcp
ATSC PMCP Standard
REGISTERED PORT

UnOfficial

Unofficialy or sometimes with conflict, the same port may be used by different applications.

Port Protocol (TCP/UDP) Description
TCP UDP Ports
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