Bell TV is a satellite TV offering and requires a parabolic dish to receive the digital satellite TV signal from space. In some regions, Bell also offers a Bell Fibe TV product, which is delivered over fiber optic cable to the home. This product does not require a dish.
Satellite TV is an information service product that utilizes communications satellites located in Earth's orbit to broadcast a radio frequency signal to a large geographic region. Users are required to install a small parabolic reflector shaped like a bowl or dish, pointed at the communications satellite, to focus the broadcast signal on a radio receiver. The dish is necessary for the signal to be received.