Referring to transmission from one device to a limited number of other devices on a network. Cable television (CATV), direct broadcast satellite (DBS), and satellite radio use narrowcast transmission, as only subscribers to various channels, especially premium channels, are able to receive those transmissions. Internet content providers that operate on a subscription basis use a narrowcast model.The term is applied to Internet content providers who use push technology to send content to a subset of users on a network who have subscribed to or registered for a service.The terms narrowcast and multicast sometimes are used interchangeably. However, narrowcast refers to the business model, whereas multicast refers to the underlying transmission mode. See also broadcast, CATV, channel, DBS, Internet, multicast, push, and satellite.