Inheriting R7 "epoch-making" gene, MOTOTRBO R7Ex explosion-proof walkie-talkie makes operation safer, communication clearer and performance better.# MOTOTRBOR7Ex Explosion-proof Interphone# MOTOTRBO Interphone# R7Ex Explosion-proof Interphone# R7Ex Interphone# R7 Interphone# Motorola R7Ex Explosion-proof Interphone# Huaan Jiexun Interphone# Youlitong Interphone# Multimode Intelligent Explosion-proof Interphone# Explosion-proof Digital Interphone