Leaky feeders are cables that can emitradiofrequencies. They're like coaxial cables which carry a signal from one endpoint to another. A leaky feeder has small gaps in the shielding to let the signal through. The gaps create a limited wireless radio network environment. Line amplifiers and repeaters boost the signal at regular intervals along the cable to make up for signal loss. The solution is meant for communication in Tunnels, Mines and in any difficult location where radio signals are not penetrating easily.
Varis’ Smart Com and Smart Com IS VHF Leaky Feeder Cable acts as an antenna to bring wireless voice, data, video and Ethernet into mines and tunnels.When installed in a system using Smart Com VHF and Smart Com VHF IS amplifiers, RNG-500 cable will provide a guaranteed 30 m (98 ft) off-cable coverage and 500 m (1640 ft) amplifier spacing. Varis’ RNG-500 VHF Leaky Feeder cable also provides a flame resistant PVC outer shielding. Since RNG-500 Leaky Feeder Cable is MSHA approved it can be installed in Smart Com VHF and Smart Com VHF IS systems interchangeably.