Transmission chain

Transmission chain of chain of transmission may refer to:
 * Airchain, the path or route an audio or video signal takes on its way through a radio station or television station
 * Chain drive, a way of transmitting mechanical power from one place to another
 * Chain of infection, a general chain of events that applies to infections
 * Isnad, the chain of transmission of a hadith
 * Transmission chain method in information propagation