... OEM&ODM 4.Small orders accept Lighr weigh headset for two way radio with large PTTFeatures:1.Separate waterproof PTT ,easy ... Frequency range F0-5KHzApplication:Different connectors available for two way radios from different brand such as Motorola, Kenwood, Icom, Vertex, Maxon, Nextel ... , Midland, Hirose or others, pls ask for compatible list. ...