Toppen A50Ex intrinsically safe hydrogen self-organizing network explosion-proof digital walkie-talkie adopts wireless interconnection technology and provides narrow-band self-organizing multi-hop link through cascade mode to realize large-scale voice coverage function. It is a portable automatic networking communication equipment that can be used in all-weather and all-terrain conditions. Its compact structure design, the implementation of IP66 dustproof and waterproof standards, suitable for petroleum and petrochemical, gas stations, coal mining, fuel pipelines and other flammable and explosive dangerous places.# Toppen A50Ex hydrogen explosion-proof digital walkie-talkie# public network walkie-talkie