The broadcasting system is abbreviated as DMB, which is the English abbreviation of Digital Multimedia Broadcasting, and is a new concept multimedia mobile broadcasting service integrating communication and broadcasting.

The

Introduction: The

This system is suitable for the petrochemical, oil production platform, metallurgical steel, nuclear power, subway, high-speed railway, tunnel, shipbuilding and so on, and it can be inexplosion proof and the explosion-proof section joint network, the group call, group calling, peer-to-peer calls alone