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Definition: satellite service

TV, radio, telephone or Internet service from a satellite. The satellite serves as a relay station in the sky, retransmitting signals over a broad geographic area on earth. Obtaining satellite service requires a satellite phone or ground-based antenna for sending and receiving signals. Satellite Internet and telephone are naturally bidirectional services (two-way), whereas satellite radio is unidirectional (one-way). Satellite TV may be one-way or two-way. See satellite Internet, satellite phone, satellite radio and DBS.