Walkie-talkie

Interphone, it is a two-way mobile communication tool, in the case of no network support, it can call, no charge generation, suitable for relatively fixed and frequent calls. There are three main types of walkie talkie: analog walkie talkie, digital walkie talkie and IP walkie talkie. Because the use of wireless radio interphone needs frequency resources, so the local radio management committee must apply for the relevant procedures, to be purchased and used without approval.