Leaky feeder
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A leaky feeder is a kind of antenna used for communication in mines, tunnels, and other enclosed spaces. The commercial name radiating cable emphasizes that it is designed to radiate, unlike most cabl
Diagram of leaky feeder cable
Distributed antenna system
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A distributed antenna system is a network of spatially separated antenna nodes connected to a common source via a transport medium that provides wireless service within a geographic area or structure.
Leaky feeder
…Above that frequency, the losses require too many repeaters, thus making other options more effective. Antennae (omni, panel or bi-directional) or even distributed antenna systems are more often used for higher frequency bands. Leaky feeders are used in the mining industry for wireless communication between miners. The system is…
A typical DAS node for the Videotron 3G network in Montreal, Quebec
DAS deployed by Transit Wireless in New York City Subway to provide WiFi, cellular voice and data coverage. The RF node with three antennas was at the platform and another antenna near the stairs on the far side.
A Verizon DAS deployed at a Shell gas station (Cockeysville, MD)