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Concert radio communication solution with the mobile repeater Retevis RT97 as the core,the multi-access power supply is combined to create a mobile relay system. Use it with the exempted GMRS walkie-talkie,can be used in concerts,music festivals/competitions,exams,large conferences,business events,etc.  ...

Mountaineering radio solution including GPS positioning function, can help understand the location of personnel in real time, ensure the safety of participants in mountaineering, adventure and other activities.  ...

Marathon radio communication solution specifically customize for marathon,based on the research of the marathon, we have developed a professional marathon communication solution to ensure that the marathon can proceed smoothly and safely.  ...

How to solve the power problem of the repeater when there is no electric power? This article lists three ways to solve the problem of repeater power, including car charger, mobile power, and solar energy, which can help you solve the problem in different situations.  ...