Ruyage Radio Zello Walkie-Talkie(CT98)About this item Work with Zello Push to Talk App: The 4G radio is an Android walkie talkie that supports push to talk app. You can use the app to chat with your friends worldwide. There is a network or WiFi, you can talk in your whole country. Group Call: This walkie talkie phones supports private calls and group calls, you can call a person, and you can also create a group, members in the group can talk together, which make communication more