Abstract: A mobile satellite link terminal (1) for transmission of signals such as video signals via satellite (4), including electronic and electric components (13, 14) in a casing (2) that delimit a space for the components in a sealing manner, whereby the casing 82) comprises at least a heat transmitting first wall portion (8) for transmission of generated heat by said components (13, 14) to the environment, wherein a first fan (10) is arranged on the outside of the first wall portion (8) to in operation drive a cooling outer air flow along it, and wherein a second fan (16, 16?) is arranged inside the casing to in operation drive an inner air flow b-passing at least some of said components for transmission of heat to the casing (2).