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OCR: LANS AND WLANS 251 Gateway is a generic term for any device or software code used to join two networks, even f those networks use different protocols or address ranges. A gateway can be implemented completely in software completely in hard- ware, or as combination of the two. The device used to connect your home LAN to the Internet, for example is a type of gateway NETWORK LINKS What connects the nodes of a network? Data can travel from one network device to another over cable or through the air. communica- tions channel, or link IS physical path or a frequency for signal transmissions For example, Channel 12 uo your TV tuner specific frequency used to broadcast audiovisual data for 2 television station This data might also be carried over another channel, such as coaxial cable as ed of a ...