... 3.Industrial and trading compa Light weigh headphone with remote control for two way radio1.Separate waterproof PTT ,easy to launch.2 ... 1-10VMax input Pwr800mW Frequency range F0-5KHzDifferent connectors available for two way radios from different brand such as Motorola, ... Icom, Vertex, Maxon, Nextel, Midland, Hirose or others, pls ask for compatible list.All products can be customized.Our company have ...